Home / 938,145.69-1,407,205.17-228,175.02

Finding the Fourth Proportional to 938,145.69, 1,407,205.17 and 228,175.02

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Solution

The fourth proportional to 938,145.69, 1,407,205.17 and 228,175.02 is: 342,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,145.69 : 1,407,205.17 = 228,175.02 : x
  2. Step 2: Convert to fraction form
    938,145.69/1,407,205.17 = 228,175.02/x
  3. Step 3: Cross multiply
    938,145.69x = 1,407,205.17 × 228,175.02
  4. Step 4: Simplify right side
    938,145.69x = 321,089,067,808.85
  5. Step 5: Solve for x
    x = 321,089,067,808.85/938,145.69
  6. Step 6: Final answer
    x = 342,259.28

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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.