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Finding the Fourth Proportional to 499,767.40, 749,650.52 and 162,807.50

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Solution

The fourth proportional to 499,767.40, 749,650.52 and 162,807.50 is: 244,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,767.40 : 749,650.52 = 162,807.50 : x
  2. Step 2: Convert to fraction form
    499,767.40/749,650.52 = 162,807.50/x
  3. Step 3: Cross multiply
    499,767.40x = 749,650.52 × 162,807.50
  4. Step 4: Simplify right side
    499,767.40x = 122,048,727,034.90
  5. Step 5: Solve for x
    x = 122,048,727,034.90/499,767.40
  6. Step 6: Final answer
    x = 244,211.06

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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.