Home / 712,158.82-1,068,238.19-238,842.81

Finding the Fourth Proportional to 712,158.82, 1,068,238.19 and 238,842.81

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Solution

The fourth proportional to 712,158.82, 1,068,238.19 and 238,842.81 is: 358,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,158.82 : 1,068,238.19 = 238,842.81 : x
  2. Step 2: Convert to fraction form
    712,158.82/1,068,238.19 = 238,842.81/x
  3. Step 3: Cross multiply
    712,158.82x = 1,068,238.19 × 238,842.81
  4. Step 4: Simplify right side
    712,158.82x = 255,141,011,646.02
  5. Step 5: Solve for x
    x = 255,141,011,646.02/712,158.82
  6. Step 6: Final answer
    x = 358,264.20

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Similar ratio
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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.