Home / 438,725.16-658,130.94-182,505.15

Finding the Fourth Proportional to 438,725.16, 658,130.94 and 182,505.15

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Solution

The fourth proportional to 438,725.16, 658,130.94 and 182,505.15 is: 273,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,725.16 : 658,130.94 = 182,505.15 : x
  2. Step 2: Convert to fraction form
    438,725.16/658,130.94 = 182,505.15/x
  3. Step 3: Cross multiply
    438,725.16x = 658,130.94 × 182,505.15
  4. Step 4: Simplify right side
    438,725.16x = 120,112,285,924.34
  5. Step 5: Solve for x
    x = 120,112,285,924.34/438,725.16
  6. Step 6: Final answer
    x = 273,775.70

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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.