Home / 217,975.15-300,841.85-127,330.84

Finding the Fourth Proportional to 217,975.15, 300,841.85 and 127,330.84

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Solution

The fourth proportional to 217,975.15, 300,841.85 and 127,330.84 is: 175,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,975.15 : 300,841.85 = 127,330.84 : x
  2. Step 2: Convert to fraction form
    217,975.15/300,841.85 = 127,330.84/x
  3. Step 3: Cross multiply
    217,975.15x = 300,841.85 × 127,330.84
  4. Step 4: Simplify right side
    217,975.15x = 38,306,443,753.56
  5. Step 5: Solve for x
    x = 38,306,443,753.56/217,975.15
  6. Step 6: Final answer
    x = 175,737.66

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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.