Home / 497,583.71-746,401.08-142,600.80

Finding the Fourth Proportional to 497,583.71, 746,401.08 and 142,600.80

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Solution

The fourth proportional to 497,583.71, 746,401.08 and 142,600.80 is: 213,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,583.71 : 746,401.08 = 142,600.80 : x
  2. Step 2: Convert to fraction form
    497,583.71/746,401.08 = 142,600.80/x
  3. Step 3: Cross multiply
    497,583.71x = 746,401.08 × 142,600.80
  4. Step 4: Simplify right side
    497,583.71x = 106,437,391,128.86
  5. Step 5: Solve for x
    x = 106,437,391,128.86/497,583.71
  6. Step 6: Final answer
    x = 213,908.51

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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.