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Finding the Fourth Proportional to 564,489.92, 846,390.36 and 239,895.56

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Solution

The fourth proportional to 564,489.92, 846,390.36 and 239,895.56 is: 359,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,489.92 : 846,390.36 = 239,895.56 : x
  2. Step 2: Convert to fraction form
    564,489.92/846,390.36 = 239,895.56/x
  3. Step 3: Cross multiply
    564,489.92x = 846,390.36 × 239,895.56
  4. Step 4: Simplify right side
    564,489.92x = 203,045,289,390.80
  5. Step 5: Solve for x
    x = 203,045,289,390.80/564,489.92
  6. Step 6: Final answer
    x = 359,696.93

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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.