Home / 542,686.34-814,147.07-163,575.36

Finding the Fourth Proportional to 542,686.34, 814,147.07 and 163,575.36

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Solution

The fourth proportional to 542,686.34, 814,147.07 and 163,575.36 is: 245,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,686.34 : 814,147.07 = 163,575.36 : x
  2. Step 2: Convert to fraction form
    542,686.34/814,147.07 = 163,575.36/x
  3. Step 3: Cross multiply
    542,686.34x = 814,147.07 × 163,575.36
  4. Step 4: Simplify right side
    542,686.34x = 133,174,400,068.20
  5. Step 5: Solve for x
    x = 133,174,400,068.20/542,686.34
  6. Step 6: Final answer
    x = 245,398.47

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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.