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Finding the Fourth Proportional to 480,612.56, 720,842.88 and 160,761.92

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Solution

The fourth proportional to 480,612.56, 720,842.88 and 160,761.92 is: 241,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,612.56 : 720,842.88 = 160,761.92 : x
  2. Step 2: Convert to fraction form
    480,612.56/720,842.88 = 160,761.92/x
  3. Step 3: Cross multiply
    480,612.56x = 720,842.88 × 160,761.92
  4. Step 4: Simplify right side
    480,612.56x = 115,884,085,407.13
  5. Step 5: Solve for x
    x = 115,884,085,407.13/480,612.56
  6. Step 6: Final answer
    x = 241,117.47

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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.