Home / 318,311.25-477,498.06-115,962.36

Finding the Fourth Proportional to 318,311.25, 477,498.06 and 115,962.36

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Solution

The fourth proportional to 318,311.25, 477,498.06 and 115,962.36 is: 173,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,311.25 : 477,498.06 = 115,962.36 : x
  2. Step 2: Convert to fraction form
    318,311.25/477,498.06 = 115,962.36/x
  3. Step 3: Cross multiply
    318,311.25x = 477,498.06 × 115,962.36
  4. Step 4: Simplify right side
    318,311.25x = 55,371,801,933.02
  5. Step 5: Solve for x
    x = 55,371,801,933.02/318,311.25
  6. Step 6: Final answer
    x = 173,954.90

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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.