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Finding the Fourth Proportional to 571,951, 857,904.96 and 172,581.16

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Solution

The fourth proportional to 571,951, 857,904.96 and 172,581.16 is: 258,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,951 : 857,904.96 = 172,581.16 : x
  2. Step 2: Convert to fraction form
    571,951/857,904.96 = 172,581.16/x
  3. Step 3: Cross multiply
    571,951x = 857,904.96 × 172,581.16
  4. Step 4: Simplify right side
    571,951x = 148,058,233,166.55
  5. Step 5: Solve for x
    x = 148,058,233,166.55/571,951
  6. Step 6: Final answer
    x = 258,865.24

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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.