Home / 347,724.80-521,587.20-189,867.14

Finding the Fourth Proportional to 347,724.80, 521,587.20 and 189,867.14

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Solution

The fourth proportional to 347,724.80, 521,587.20 and 189,867.14 is: 284,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,724.80 : 521,587.20 = 189,867.14 : x
  2. Step 2: Convert to fraction form
    347,724.80/521,587.20 = 189,867.14/x
  3. Step 3: Cross multiply
    347,724.80x = 521,587.20 × 189,867.14
  4. Step 4: Simplify right side
    347,724.80x = 99,032,269,924.61
  5. Step 5: Solve for x
    x = 99,032,269,924.61/347,724.80
  6. Step 6: Final answer
    x = 284,800.71

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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.