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Finding the Fourth Proportional to 298,090.88, 447,148.48 and 95,707.52

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Solution

The fourth proportional to 298,090.88, 447,148.48 and 95,707.52 is: 143,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,090.88 : 447,148.48 = 95,707.52 : x
  2. Step 2: Convert to fraction form
    298,090.88/447,148.48 = 95,707.52/x
  3. Step 3: Cross multiply
    298,090.88x = 447,148.48 × 95,707.52
  4. Step 4: Simplify right side
    298,090.88x = 42,795,472,092.57
  5. Step 5: Solve for x
    x = 42,795,472,092.57/298,090.88
  6. Step 6: Final answer
    x = 143,565.18

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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.