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Finding the Fourth Proportional to 218,893.92, 302,060.58 and 127,006.08

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Solution

The fourth proportional to 218,893.92, 302,060.58 and 127,006.08 is: 175,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,893.92 : 302,060.58 = 127,006.08 : x
  2. Step 2: Convert to fraction form
    218,893.92/302,060.58 = 127,006.08/x
  3. Step 3: Cross multiply
    218,893.92x = 302,060.58 × 127,006.08
  4. Step 4: Simplify right side
    218,893.92x = 38,363,530,188.33
  5. Step 5: Solve for x
    x = 38,363,530,188.33/218,893.92
  6. Step 6: Final answer
    x = 175,260.83

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1.5x scale

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.