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Finding the Fourth Proportional to 232,886.80, 349,243.80 and 92,616.40

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Solution

The fourth proportional to 232,886.80, 349,243.80 and 92,616.40 is: 138,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,886.80 : 349,243.80 = 92,616.40 : x
  2. Step 2: Convert to fraction form
    232,886.80/349,243.80 = 92,616.40/x
  3. Step 3: Cross multiply
    232,886.80x = 349,243.80 × 92,616.40
  4. Step 4: Simplify right side
    232,886.80x = 32,345,703,478.32
  5. Step 5: Solve for x
    x = 32,345,703,478.32/232,886.80
  6. Step 6: Final answer
    x = 138,890.24

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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.