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Finding the Fourth Proportional to 248,154.58, 372,294.24 and 79,689.97

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Solution

The fourth proportional to 248,154.58, 372,294.24 and 79,689.97 is: 119,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,154.58 : 372,294.24 = 79,689.97 : x
  2. Step 2: Convert to fraction form
    248,154.58/372,294.24 = 79,689.97/x
  3. Step 3: Cross multiply
    248,154.58x = 372,294.24 × 79,689.97
  4. Step 4: Simplify right side
    248,154.58x = 29,668,116,816.77
  5. Step 5: Solve for x
    x = 29,668,116,816.77/248,154.58
  6. Step 6: Final answer
    x = 119,554.98

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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.