Home / 218,488.02-301,519.20-122,998.20

Finding the Fourth Proportional to 218,488.02, 301,519.20 and 122,998.20

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Solution

The fourth proportional to 218,488.02, 301,519.20 and 122,998.20 is: 169,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,488.02 : 301,519.20 = 122,998.20 : x
  2. Step 2: Convert to fraction form
    218,488.02/301,519.20 = 122,998.20/x
  3. Step 3: Cross multiply
    218,488.02x = 301,519.20 × 122,998.20
  4. Step 4: Simplify right side
    218,488.02x = 37,086,318,865.44
  5. Step 5: Solve for x
    x = 37,086,318,865.44/218,488.02
  6. Step 6: Final answer
    x = 169,740.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.