Home / 258,743.76-357,064.92-145,567.44

Finding the Fourth Proportional to 258,743.76, 357,064.92 and 145,567.44

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Solution

The fourth proportional to 258,743.76, 357,064.92 and 145,567.44 is: 200,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,743.76 : 357,064.92 = 145,567.44 : x
  2. Step 2: Convert to fraction form
    258,743.76/357,064.92 = 145,567.44/x
  3. Step 3: Cross multiply
    258,743.76x = 357,064.92 × 145,567.44
  4. Step 4: Simplify right side
    258,743.76x = 51,977,026,318.20
  5. Step 5: Solve for x
    x = 51,977,026,318.20/258,743.76
  6. Step 6: Final answer
    x = 200,882.24

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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.