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Finding the Fourth Proportional to 229,759.94, 344,640.10 and 72,000.68

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Solution

The fourth proportional to 229,759.94, 344,640.10 and 72,000.68 is: 108,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,759.94 : 344,640.10 = 72,000.68 : x
  2. Step 2: Convert to fraction form
    229,759.94/344,640.10 = 72,000.68/x
  3. Step 3: Cross multiply
    229,759.94x = 344,640.10 × 72,000.68
  4. Step 4: Simplify right side
    229,759.94x = 24,814,321,555.27
  5. Step 5: Solve for x
    x = 24,814,321,555.27/229,759.94
  6. Step 6: Final answer
    x = 108,001.08

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1.5x scale

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.