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Finding the Fourth Proportional to 259,656, 389,484 and 62,664

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Solution

The fourth proportional to 259,656, 389,484 and 62,664 is: 93,996

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,656 : 389,484 = 62,664 : x
  2. Step 2: Convert to fraction form
    259,656/389,484 = 62,664/x
  3. Step 3: Cross multiply
    259,656x = 389,484 × 62,664
  4. Step 4: Simplify right side
    259,656x = 24,406,625,376
  5. Step 5: Solve for x
    x = 24,406,625,376/259,656
  6. Step 6: Final answer
    x = 93,996

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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.