Home / 496,944.60-745,423.38-141,970.20

Finding the Fourth Proportional to 496,944.60, 745,423.38 and 141,970.20

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Solution

The fourth proportional to 496,944.60, 745,423.38 and 141,970.20 is: 212,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,944.60 : 745,423.38 = 141,970.20 : x
  2. Step 2: Convert to fraction form
    496,944.60/745,423.38 = 141,970.20/x
  3. Step 3: Cross multiply
    496,944.60x = 745,423.38 × 141,970.20
  4. Step 4: Simplify right side
    496,944.60x = 105,827,906,343.28
  5. Step 5: Solve for x
    x = 105,827,906,343.28/496,944.60
  6. Step 6: Final answer
    x = 212,957.15

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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.