Home / 328,387.25-492,654.69-103,761.16

Finding the Fourth Proportional to 328,387.25, 492,654.69 and 103,761.16

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Solution

The fourth proportional to 328,387.25, 492,654.69 and 103,761.16 is: 155,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,387.25 : 492,654.69 = 103,761.16 : x
  2. Step 2: Convert to fraction form
    328,387.25/492,654.69 = 103,761.16/x
  3. Step 3: Cross multiply
    328,387.25x = 492,654.69 × 103,761.16
  4. Step 4: Simplify right side
    328,387.25x = 51,118,422,113.84
  5. Step 5: Solve for x
    x = 51,118,422,113.84/328,387.25
  6. Step 6: Final answer
    x = 155,665.06

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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.