Home / 258,799.12-387,576.60-147,654.16

Finding the Fourth Proportional to 258,799.12, 387,576.60 and 147,654.16

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Solution

The fourth proportional to 258,799.12, 387,576.60 and 147,654.16 is: 221,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,799.12 : 387,576.60 = 147,654.16 : x
  2. Step 2: Convert to fraction form
    258,799.12/387,576.60 = 147,654.16/x
  3. Step 3: Cross multiply
    258,799.12x = 387,576.60 × 147,654.16
  4. Step 4: Simplify right side
    258,799.12x = 57,227,297,308.66
  5. Step 5: Solve for x
    x = 57,227,297,308.66/258,799.12
  6. Step 6: Final answer
    x = 221,126.32

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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.