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Finding the Fourth Proportional to 172,856, 259,284 and 41,528

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Solution

The fourth proportional to 172,856, 259,284 and 41,528 is: 62,292

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,856 : 259,284 = 41,528 : x
  2. Step 2: Convert to fraction form
    172,856/259,284 = 41,528/x
  3. Step 3: Cross multiply
    172,856x = 259,284 × 41,528
  4. Step 4: Simplify right side
    172,856x = 10,767,545,952
  5. Step 5: Solve for x
    x = 10,767,545,952/172,856
  6. Step 6: Final answer
    x = 62,292

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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.