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Finding the Fourth Proportional to 265,764.04, 398,832.86 and 240,354.51

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Solution

The fourth proportional to 265,764.04, 398,832.86 and 240,354.51 is: 360,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,764.04 : 398,832.86 = 240,354.51 : x
  2. Step 2: Convert to fraction form
    265,764.04/398,832.86 = 240,354.51/x
  3. Step 3: Cross multiply
    265,764.04x = 398,832.86 × 240,354.51
  4. Step 4: Simplify right side
    265,764.04x = 95,861,275,435.43
  5. Step 5: Solve for x
    x = 95,861,275,435.43/265,764.04
  6. Step 6: Final answer
    x = 360,700.70

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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.