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Finding the Fourth Proportional to 373,676.49, 515,695.85 and 282,888.65

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Solution

The fourth proportional to 373,676.49, 515,695.85 and 282,888.65 is: 390,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,676.49 : 515,695.85 = 282,888.65 : x
  2. Step 2: Convert to fraction form
    373,676.49/515,695.85 = 282,888.65/x
  3. Step 3: Cross multiply
    373,676.49x = 515,695.85 × 282,888.65
  4. Step 4: Simplify right side
    373,676.49x = 145,884,503,752.73
  5. Step 5: Solve for x
    x = 145,884,503,752.73/373,676.49
  6. Step 6: Final answer
    x = 390,403.22

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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.