Home / 318,344.90-476,956.82-299,381.17

Finding the Fourth Proportional to 318,344.90, 476,956.82 and 299,381.17

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Solution

The fourth proportional to 318,344.90, 476,956.82 and 299,381.17 is: 448,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,344.90 : 476,956.82 = 299,381.17 : x
  2. Step 2: Convert to fraction form
    318,344.90/476,956.82 = 299,381.17/x
  3. Step 3: Cross multiply
    318,344.90x = 476,956.82 × 299,381.17
  4. Step 4: Simplify right side
    318,344.90x = 142,791,890,811.08
  5. Step 5: Solve for x
    x = 142,791,890,811.08/318,344.90
  6. Step 6: Final answer
    x = 448,544.62

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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.