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Finding the Fourth Proportional to 496,926.60, 745,225.88 and 159,886.68

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Solution

The fourth proportional to 496,926.60, 745,225.88 and 159,886.68 is: 239,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,926.60 : 745,225.88 = 159,886.68 : x
  2. Step 2: Convert to fraction form
    496,926.60/745,225.88 = 159,886.68/x
  3. Step 3: Cross multiply
    496,926.60x = 745,225.88 × 159,886.68
  4. Step 4: Simplify right side
    496,926.60x = 119,151,691,003.85
  5. Step 5: Solve for x
    x = 119,151,691,003.85/496,926.60
  6. Step 6: Final answer
    x = 239,777.24

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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.