Home / 218,458.32-301,473.18-122,966.52

Finding the Fourth Proportional to 218,458.32, 301,473.18 and 122,966.52

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Solution

The fourth proportional to 218,458.32, 301,473.18 and 122,966.52 is: 169,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,458.32 : 301,473.18 = 122,966.52 : x
  2. Step 2: Convert to fraction form
    218,458.32/301,473.18 = 122,966.52/x
  3. Step 3: Cross multiply
    218,458.32x = 301,473.18 × 122,966.52
  4. Step 4: Simplify right side
    218,458.32x = 37,071,107,817.93
  5. Step 5: Solve for x
    x = 37,071,107,817.93/218,458.32
  6. Step 6: Final answer
    x = 169,694.19

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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.