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Finding the Fourth Proportional to 272,385.65, 375,904.34 and 226,987.64

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Solution

The fourth proportional to 272,385.65, 375,904.34 and 226,987.64 is: 313,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,385.65 : 375,904.34 = 226,987.64 : x
  2. Step 2: Convert to fraction form
    272,385.65/375,904.34 = 226,987.64/x
  3. Step 3: Cross multiply
    272,385.65x = 375,904.34 × 226,987.64
  4. Step 4: Simplify right side
    272,385.65x = 85,325,635,987.90
  5. Step 5: Solve for x
    x = 85,325,635,987.90/272,385.65
  6. Step 6: Final answer
    x = 313,253.06

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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.