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Finding the Fourth Proportional to 373,565.85, 515,526.65 and 203,799.97

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Solution

The fourth proportional to 373,565.85, 515,526.65 and 203,799.97 is: 281,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,565.85 : 515,526.65 = 203,799.97 : x
  2. Step 2: Convert to fraction form
    373,565.85/515,526.65 = 203,799.97/x
  3. Step 3: Cross multiply
    373,565.85x = 515,526.65 × 203,799.97
  4. Step 4: Simplify right side
    373,565.85x = 105,064,315,804.20
  5. Step 5: Solve for x
    x = 105,064,315,804.20/373,565.85
  6. Step 6: Final answer
    x = 281,247.11

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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.