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Finding the Fourth Proportional to 179,502.40, 247,712.16 and 98,930

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Solution

The fourth proportional to 179,502.40, 247,712.16 and 98,930 is: 136,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,502.40 : 247,712.16 = 98,930 : x
  2. Step 2: Convert to fraction form
    179,502.40/247,712.16 = 98,930/x
  3. Step 3: Cross multiply
    179,502.40x = 247,712.16 × 98,930
  4. Step 4: Simplify right side
    179,502.40x = 24,506,163,988.80
  5. Step 5: Solve for x
    x = 24,506,163,988.80/179,502.40
  6. Step 6: Final answer
    x = 136,522.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.