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Finding the Fourth Proportional to 229,177.80, 342,794.70 and 205,655.40

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Solution

The fourth proportional to 229,177.80, 342,794.70 and 205,655.40 is: 307,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,177.80 : 342,794.70 = 205,655.40 : x
  2. Step 2: Convert to fraction form
    229,177.80/342,794.70 = 205,655.40/x
  3. Step 3: Cross multiply
    229,177.80x = 342,794.70 × 205,655.40
  4. Step 4: Simplify right side
    229,177.80x = 70,497,581,146.38
  5. Step 5: Solve for x
    x = 70,497,581,146.38/229,177.80
  6. Step 6: Final answer
    x = 307,610.86

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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.