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Finding the Fourth Proportional to 242,882.70, 364,032.45 and 124,493.10

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Solution

The fourth proportional to 242,882.70, 364,032.45 and 124,493.10 is: 186,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,882.70 : 364,032.45 = 124,493.10 : x
  2. Step 2: Convert to fraction form
    242,882.70/364,032.45 = 124,493.10/x
  3. Step 3: Cross multiply
    242,882.70x = 364,032.45 × 124,493.10
  4. Step 4: Simplify right side
    242,882.70x = 45,319,528,201.10
  5. Step 5: Solve for x
    x = 45,319,528,201.10/242,882.70
  6. Step 6: Final answer
    x = 186,590.19

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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.