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Finding the Fourth Proportional to 480,112.96, 662,562.82 and 265,257.96

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Solution

The fourth proportional to 480,112.96, 662,562.82 and 265,257.96 is: 366,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,112.96 : 662,562.82 = 265,257.96 : x
  2. Step 2: Convert to fraction form
    480,112.96/662,562.82 = 265,257.96/x
  3. Step 3: Cross multiply
    480,112.96x = 662,562.82 × 265,257.96
  4. Step 4: Simplify right side
    480,112.96x = 175,750,062,005.05
  5. Step 5: Solve for x
    x = 175,750,062,005.05/480,112.96
  6. Step 6: Final answer
    x = 366,059.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.