Home / 258,562.72-356,565.81-172,525.20

Finding the Fourth Proportional to 258,562.72, 356,565.81 and 172,525.20

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Solution

The fourth proportional to 258,562.72, 356,565.81 and 172,525.20 is: 237,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,562.72 : 356,565.81 = 172,525.20 : x
  2. Step 2: Convert to fraction form
    258,562.72/356,565.81 = 172,525.20/x
  3. Step 3: Cross multiply
    258,562.72x = 356,565.81 × 172,525.20
  4. Step 4: Simplify right side
    258,562.72x = 61,516,585,900.58
  5. Step 5: Solve for x
    x = 61,516,585,900.58/258,562.72
  6. Step 6: Final answer
    x = 237,917.46

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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.