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Finding the Fourth Proportional to 353,448.48, 487,753.92 and 192,301.60

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Solution

The fourth proportional to 353,448.48, 487,753.92 and 192,301.60 is: 265,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,448.48 : 487,753.92 = 192,301.60 : x
  2. Step 2: Convert to fraction form
    353,448.48/487,753.92 = 192,301.60/x
  3. Step 3: Cross multiply
    353,448.48x = 487,753.92 × 192,301.60
  4. Step 4: Simplify right side
    353,448.48x = 93,795,859,222.27
  5. Step 5: Solve for x
    x = 93,795,859,222.27/353,448.48
  6. Step 6: Final answer
    x = 265,373.50

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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.