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Finding the Fourth Proportional to 382,017.24, 572,829 and 171,474.72

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Solution

The fourth proportional to 382,017.24, 572,829 and 171,474.72 is: 257,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,017.24 : 572,829 = 171,474.72 : x
  2. Step 2: Convert to fraction form
    382,017.24/572,829 = 171,474.72/x
  3. Step 3: Cross multiply
    382,017.24x = 572,829 × 171,474.72
  4. Step 4: Simplify right side
    382,017.24x = 98,225,692,382.88
  5. Step 5: Solve for x
    x = 98,225,692,382.88/382,017.24
  6. Step 6: Final answer
    x = 257,123.72

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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.