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Finding the Fourth Proportional to 499,696.38, 749,597.08 and 162,763.30

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Solution

The fourth proportional to 499,696.38, 749,597.08 and 162,763.30 is: 244,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,696.38 : 749,597.08 = 162,763.30 : x
  2. Step 2: Convert to fraction form
    499,696.38/749,597.08 = 162,763.30/x
  3. Step 3: Cross multiply
    499,696.38x = 749,597.08 × 162,763.30
  4. Step 4: Simplify right side
    499,696.38x = 122,006,894,411.16
  5. Step 5: Solve for x
    x = 122,006,894,411.16/499,696.38
  6. Step 6: Final answer
    x = 244,162.05

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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.