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Finding the Fourth Proportional to 376,258.56, 564,386.25 and 136,316.21

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Solution

The fourth proportional to 376,258.56, 564,386.25 and 136,316.21 is: 204,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,258.56 : 564,386.25 = 136,316.21 : x
  2. Step 2: Convert to fraction form
    376,258.56/564,386.25 = 136,316.21/x
  3. Step 3: Cross multiply
    376,258.56x = 564,386.25 × 136,316.21
  4. Step 4: Simplify right side
    376,258.56x = 76,934,992,182.97
  5. Step 5: Solve for x
    x = 76,934,992,182.97/376,258.56
  6. Step 6: Final answer
    x = 204,473.73

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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.