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Finding the Fourth Proportional to 265,810.82, 398,783.43 and 88,318.70

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Solution

The fourth proportional to 265,810.82, 398,783.43 and 88,318.70 is: 132,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,810.82 : 398,783.43 = 88,318.70 : x
  2. Step 2: Convert to fraction form
    265,810.82/398,783.43 = 88,318.70/x
  3. Step 3: Cross multiply
    265,810.82x = 398,783.43 × 88,318.70
  4. Step 4: Simplify right side
    265,810.82x = 35,220,034,119.14
  5. Step 5: Solve for x
    x = 35,220,034,119.14/265,810.82
  6. Step 6: Final answer
    x = 132,500.38

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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.