Home / 435,838.20-653,757.30-155,254.20

Finding the Fourth Proportional to 435,838.20, 653,757.30 and 155,254.20

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Solution

The fourth proportional to 435,838.20, 653,757.30 and 155,254.20 is: 232,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,838.20 : 653,757.30 = 155,254.20 : x
  2. Step 2: Convert to fraction form
    435,838.20/653,757.30 = 155,254.20/x
  3. Step 3: Cross multiply
    435,838.20x = 653,757.30 × 155,254.20
  4. Step 4: Simplify right side
    435,838.20x = 101,498,566,605.66
  5. Step 5: Solve for x
    x = 101,498,566,605.66/435,838.20
  6. Step 6: Final answer
    x = 232,881.30

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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.