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Finding the Fourth Proportional to 318,343.04, 476,954.03 and 299,379.32

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Solution

The fourth proportional to 318,343.04, 476,954.03 and 299,379.32 is: 448,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,343.04 : 476,954.03 = 299,379.32 : x
  2. Step 2: Convert to fraction form
    318,343.04/476,954.03 = 299,379.32/x
  3. Step 3: Cross multiply
    318,343.04x = 476,954.03 × 299,379.32
  4. Step 4: Simplify right side
    318,343.04x = 142,790,172,404.48
  5. Step 5: Solve for x
    x = 142,790,172,404.48/318,343.04
  6. Step 6: Final answer
    x = 448,541.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.