Home / 331,210.45-496,888.98-120,847.78

Finding the Fourth Proportional to 331,210.45, 496,888.98 and 120,847.78

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Solution

The fourth proportional to 331,210.45, 496,888.98 and 120,847.78 is: 181,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,210.45 : 496,888.98 = 120,847.78 : x
  2. Step 2: Convert to fraction form
    331,210.45/496,888.98 = 120,847.78/x
  3. Step 3: Cross multiply
    331,210.45x = 496,888.98 × 120,847.78
  4. Step 4: Simplify right side
    331,210.45x = 60,047,930,139.46
  5. Step 5: Solve for x
    x = 60,047,930,139.46/331,210.45
  6. Step 6: Final answer
    x = 181,298.42

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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.