Home / 257,476.12-386,298.01-124,371.65

Finding the Fourth Proportional to 257,476.12, 386,298.01 and 124,371.65

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Solution

The fourth proportional to 257,476.12, 386,298.01 and 124,371.65 is: 186,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,476.12 : 386,298.01 = 124,371.65 : x
  2. Step 2: Convert to fraction form
    257,476.12/386,298.01 = 124,371.65/x
  3. Step 3: Cross multiply
    257,476.12x = 386,298.01 × 124,371.65
  4. Step 4: Simplify right side
    257,476.12x = 48,044,522,016.63
  5. Step 5: Solve for x
    x = 48,044,522,016.63/257,476.12
  6. Step 6: Final answer
    x = 186,597.97

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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.