Home / 318,521.10-477,777.33-108,305.58

Finding the Fourth Proportional to 318,521.10, 477,777.33 and 108,305.58

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Solution

The fourth proportional to 318,521.10, 477,777.33 and 108,305.58 is: 162,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,521.10 : 477,777.33 = 108,305.58 : x
  2. Step 2: Convert to fraction form
    318,521.10/477,777.33 = 108,305.58/x
  3. Step 3: Cross multiply
    318,521.10x = 477,777.33 × 108,305.58
  4. Step 4: Simplify right side
    318,521.10x = 51,745,950,836.50
  5. Step 5: Solve for x
    x = 51,745,950,836.50/318,521.10
  6. Step 6: Final answer
    x = 162,456.90

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1.5x scale

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.