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Finding the Fourth Proportional to 242,493.72, 363,516.39 and 123,903.63

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Solution

The fourth proportional to 242,493.72, 363,516.39 and 123,903.63 is: 185,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,493.72 : 363,516.39 = 123,903.63 : x
  2. Step 2: Convert to fraction form
    242,493.72/363,516.39 = 123,903.63/x
  3. Step 3: Cross multiply
    242,493.72x = 363,516.39 × 123,903.63
  4. Step 4: Simplify right side
    242,493.72x = 45,041,000,285.50
  5. Step 5: Solve for x
    x = 45,041,000,285.50/242,493.72
  6. Step 6: Final answer
    x = 185,740.89

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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.