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Finding the Fourth Proportional to 473,950.55, 653,892.07 and 269,857.12

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Solution

The fourth proportional to 473,950.55, 653,892.07 and 269,857.12 is: 372,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,950.55 : 653,892.07 = 269,857.12 : x
  2. Step 2: Convert to fraction form
    473,950.55/653,892.07 = 269,857.12/x
  3. Step 3: Cross multiply
    473,950.55x = 653,892.07 × 269,857.12
  4. Step 4: Simplify right side
    473,950.55x = 176,457,430,801.04
  5. Step 5: Solve for x
    x = 176,457,430,801.04/473,950.55
  6. Step 6: Final answer
    x = 372,311.90

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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.