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Finding the Fourth Proportional to 259,290, 388,935 and 62,298

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Solution

The fourth proportional to 259,290, 388,935 and 62,298 is: 93,447

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,290 : 388,935 = 62,298 : x
  2. Step 2: Convert to fraction form
    259,290/388,935 = 62,298/x
  3. Step 3: Cross multiply
    259,290x = 388,935 × 62,298
  4. Step 4: Simplify right side
    259,290x = 24,229,872,630
  5. Step 5: Solve for x
    x = 24,229,872,630/259,290
  6. Step 6: Final answer
    x = 93,447

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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.