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Finding the Fourth Proportional to 272,387.65, 375,907.10 and 226,989.64

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Solution

The fourth proportional to 272,387.65, 375,907.10 and 226,989.64 is: 313,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,387.65 : 375,907.10 = 226,989.64 : x
  2. Step 2: Convert to fraction form
    272,387.65/375,907.10 = 226,989.64/x
  3. Step 3: Cross multiply
    272,387.65x = 375,907.10 × 226,989.64
  4. Step 4: Simplify right side
    272,387.65x = 85,327,017,302.44
  5. Step 5: Solve for x
    x = 85,327,017,302.44/272,387.65
  6. Step 6: Final answer
    x = 313,255.82

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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.