Home / 400,370.60-552,456.94-239,191.52

Finding the Fourth Proportional to 400,370.60, 552,456.94 and 239,191.52

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Solution

The fourth proportional to 400,370.60, 552,456.94 and 239,191.52 is: 330,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,370.60 : 552,456.94 = 239,191.52 : x
  2. Step 2: Convert to fraction form
    400,370.60/552,456.94 = 239,191.52/x
  3. Step 3: Cross multiply
    400,370.60x = 552,456.94 × 239,191.52
  4. Step 4: Simplify right side
    400,370.60x = 132,143,015,213.15
  5. Step 5: Solve for x
    x = 132,143,015,213.15/400,370.60
  6. Step 6: Final answer
    x = 330,051.75

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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.