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Finding the Fourth Proportional to 422,909.30, 583,561.07 and 241,632.97

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Solution

The fourth proportional to 422,909.30, 583,561.07 and 241,632.97 is: 333,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,909.30 : 583,561.07 = 241,632.97 : x
  2. Step 2: Convert to fraction form
    422,909.30/583,561.07 = 241,632.97/x
  3. Step 3: Cross multiply
    422,909.30x = 583,561.07 × 241,632.97
  4. Step 4: Simplify right side
    422,909.30x = 141,007,593,312.31
  5. Step 5: Solve for x
    x = 141,007,593,312.31/422,909.30
  6. Step 6: Final answer
    x = 333,422.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.