Home / 571,390.12-857,086.62-172,032.04

Finding the Fourth Proportional to 571,390.12, 857,086.62 and 172,032.04

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Solution

The fourth proportional to 571,390.12, 857,086.62 and 172,032.04 is: 258,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,390.12 : 857,086.62 = 172,032.04 : x
  2. Step 2: Convert to fraction form
    571,390.12/857,086.62 = 172,032.04/x
  3. Step 3: Cross multiply
    571,390.12x = 857,086.62 × 172,032.04
  4. Step 4: Simplify right side
    571,390.12x = 147,446,359,695.31
  5. Step 5: Solve for x
    x = 147,446,359,695.31/571,390.12
  6. Step 6: Final answer
    x = 258,048.49

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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.