Home / 427,464-641,196-178,146

Finding the Fourth Proportional to 427,464, 641,196 and 178,146

Calculator

Solution

The fourth proportional to 427,464, 641,196 and 178,146 is: 267,219

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,464 : 641,196 = 178,146 : x
  2. Step 2: Convert to fraction form
    427,464/641,196 = 178,146/x
  3. Step 3: Cross multiply
    427,464x = 641,196 × 178,146
  4. Step 4: Simplify right side
    427,464x = 114,226,502,616
  5. Step 5: Solve for x
    x = 114,226,502,616/427,464
  6. Step 6: Final answer
    x = 267,219

Related Problems

Find fourth proportional to 213,732, 320,598 and 89,073
Half scale
Find fourth proportional to 854,928, 1,282,392 and 356,292
Double scale
Find fourth proportional to 427,465, 641,197.50 and 178,147
Similar ratio
Find fourth proportional to 641,196, 961,794 and 267,219
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.