Home / 435,024.60-652,536.90-257,440.20

Finding the Fourth Proportional to 435,024.60, 652,536.90 and 257,440.20

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Solution

The fourth proportional to 435,024.60, 652,536.90 and 257,440.20 is: 386,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,024.60 : 652,536.90 = 257,440.20 : x
  2. Step 2: Convert to fraction form
    435,024.60/652,536.90 = 257,440.20/x
  3. Step 3: Cross multiply
    435,024.60x = 652,536.90 × 257,440.20
  4. Step 4: Simplify right side
    435,024.60x = 167,989,230,043.38
  5. Step 5: Solve for x
    x = 167,989,230,043.38/435,024.60
  6. Step 6: Final answer
    x = 386,160.30

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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.