Home / 229,876.20-344,814.30-136,487.40

Finding the Fourth Proportional to 229,876.20, 344,814.30 and 136,487.40

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Solution

The fourth proportional to 229,876.20, 344,814.30 and 136,487.40 is: 204,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,876.20 : 344,814.30 = 136,487.40 : x
  2. Step 2: Convert to fraction form
    229,876.20/344,814.30 = 136,487.40/x
  3. Step 3: Cross multiply
    229,876.20x = 344,814.30 × 136,487.40
  4. Step 4: Simplify right side
    229,876.20x = 47,062,807,289.82
  5. Step 5: Solve for x
    x = 47,062,807,289.82/229,876.20
  6. Step 6: Final answer
    x = 204,731.10

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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.