Home / 208,982.01-288,379.20-122,944.42

Finding the Fourth Proportional to 208,982.01, 288,379.20 and 122,944.42

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Solution

The fourth proportional to 208,982.01, 288,379.20 and 122,944.42 is: 169,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,982.01 : 288,379.20 = 122,944.42 : x
  2. Step 2: Convert to fraction form
    208,982.01/288,379.20 = 122,944.42/x
  3. Step 3: Cross multiply
    208,982.01x = 288,379.20 × 122,944.42
  4. Step 4: Simplify right side
    208,982.01x = 35,454,613,484.06
  5. Step 5: Solve for x
    x = 35,454,613,484.06/208,982.01
  6. Step 6: Final answer
    x = 169,653.90

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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.