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Finding the Fourth Proportional to 218,226.72, 301,107.72 and 127,565.16

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Solution

The fourth proportional to 218,226.72, 301,107.72 and 127,565.16 is: 176,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,226.72 : 301,107.72 = 127,565.16 : x
  2. Step 2: Convert to fraction form
    218,226.72/301,107.72 = 127,565.16/x
  3. Step 3: Cross multiply
    218,226.72x = 301,107.72 × 127,565.16
  4. Step 4: Simplify right side
    218,226.72x = 38,410,854,479.04
  5. Step 5: Solve for x
    x = 38,410,854,479.04/218,226.72
  6. Step 6: Final answer
    x = 176,013.53

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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.