Home / 475,192.70-655,760.45-257,397.26

Finding the Fourth Proportional to 475,192.70, 655,760.45 and 257,397.26

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Solution

The fourth proportional to 475,192.70, 655,760.45 and 257,397.26 is: 355,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,192.70 : 655,760.45 = 257,397.26 : x
  2. Step 2: Convert to fraction form
    475,192.70/655,760.45 = 257,397.26/x
  3. Step 3: Cross multiply
    475,192.70x = 655,760.45 × 257,397.26
  4. Step 4: Simplify right side
    475,192.70x = 168,790,938,480.58
  5. Step 5: Solve for x
    x = 168,790,938,480.58/475,192.70
  6. Step 6: Final answer
    x = 355,205.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.