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Finding the Fourth Proportional to 488,866.50, 733,159.63 and 147,342.98

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Solution

The fourth proportional to 488,866.50, 733,159.63 and 147,342.98 is: 220,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,866.50 : 733,159.63 = 147,342.98 : x
  2. Step 2: Convert to fraction form
    488,866.50/733,159.63 = 147,342.98/x
  3. Step 3: Cross multiply
    488,866.50x = 733,159.63 × 147,342.98
  4. Step 4: Simplify right side
    488,866.50x = 108,025,926,716.98
  5. Step 5: Solve for x
    x = 108,025,926,716.98/488,866.50
  6. Step 6: Final answer
    x = 220,972.24

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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.