Home / 508,732.20-763,206.24-193,182.12

Finding the Fourth Proportional to 508,732.20, 763,206.24 and 193,182.12

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Solution

The fourth proportional to 508,732.20, 763,206.24 and 193,182.12 is: 289,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,732.20 : 763,206.24 = 193,182.12 : x
  2. Step 2: Convert to fraction form
    508,732.20/763,206.24 = 193,182.12/x
  3. Step 3: Cross multiply
    508,732.20x = 763,206.24 × 193,182.12
  4. Step 4: Simplify right side
    508,732.20x = 147,437,799,440.43
  5. Step 5: Solve for x
    x = 147,437,799,440.43/508,732.20
  6. Step 6: Final answer
    x = 289,814.17

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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.