Home / 219,288-328,984-71,544

Finding the Fourth Proportional to 219,288, 328,984 and 71,544

Calculator

Solution

The fourth proportional to 219,288, 328,984 and 71,544 is: 107,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,288 : 328,984 = 71,544 : x
  2. Step 2: Convert to fraction form
    219,288/328,984 = 71,544/x
  3. Step 3: Cross multiply
    219,288x = 328,984 × 71,544
  4. Step 4: Simplify right side
    219,288x = 23,536,831,296
  5. Step 5: Solve for x
    x = 23,536,831,296/219,288
  6. Step 6: Final answer
    x = 107,332.97

Related Problems

Find fourth proportional to 109,644, 164,492 and 35,772
Half scale
Find fourth proportional to 438,576, 657,968 and 143,088
Double scale
Find fourth proportional to 219,289, 328,985.50 and 71,545
Similar ratio
Find fourth proportional to 328,932, 493,476 and 107,316
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.