Home / 403,427.90-604,966.88-137,116.91

Finding the Fourth Proportional to 403,427.90, 604,966.88 and 137,116.91

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Solution

The fourth proportional to 403,427.90, 604,966.88 and 137,116.91 is: 205,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,427.90 : 604,966.88 = 137,116.91 : x
  2. Step 2: Convert to fraction form
    403,427.90/604,966.88 = 137,116.91/x
  3. Step 3: Cross multiply
    403,427.90x = 604,966.88 × 137,116.91
  4. Step 4: Simplify right side
    403,427.90x = 82,951,185,527.52
  5. Step 5: Solve for x
    x = 82,951,185,527.52/403,427.90
  6. Step 6: Final answer
    x = 205,615.89

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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.