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Finding the Fourth Proportional to 353,877, 488,342.97 and 192,734.88

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Solution

The fourth proportional to 353,877, 488,342.97 and 192,734.88 is: 265,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,877 : 488,342.97 = 192,734.88 : x
  2. Step 2: Convert to fraction form
    353,877/488,342.97 = 192,734.88/x
  3. Step 3: Cross multiply
    353,877x = 488,342.97 × 192,734.88
  4. Step 4: Simplify right side
    353,877x = 94,120,723,721.79
  5. Step 5: Solve for x
    x = 94,120,723,721.79/353,877
  6. Step 6: Final answer
    x = 265,970.16

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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.