Home / 331,823.60-497,737.20-82,505.60

Finding the Fourth Proportional to 331,823.60, 497,737.20 and 82,505.60

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Solution

The fourth proportional to 331,823.60, 497,737.20 and 82,505.60 is: 123,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,823.60 : 497,737.20 = 82,505.60 : x
  2. Step 2: Convert to fraction form
    331,823.60/497,737.20 = 82,505.60/x
  3. Step 3: Cross multiply
    331,823.60x = 497,737.20 × 82,505.60
  4. Step 4: Simplify right side
    331,823.60x = 41,066,106,328.32
  5. Step 5: Solve for x
    x = 41,066,106,328.32/331,823.60
  6. Step 6: Final answer
    x = 123,758.85

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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.