Home / 400,132.28-552,162.08-218,808.96

Finding the Fourth Proportional to 400,132.28, 552,162.08 and 218,808.96

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Solution

The fourth proportional to 400,132.28, 552,162.08 and 218,808.96 is: 301,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,132.28 : 552,162.08 = 218,808.96 : x
  2. Step 2: Convert to fraction form
    400,132.28/552,162.08 = 218,808.96/x
  3. Step 3: Cross multiply
    400,132.28x = 552,162.08 × 218,808.96
  4. Step 4: Simplify right side
    400,132.28x = 120,818,010,476.24
  5. Step 5: Solve for x
    x = 120,818,010,476.24/400,132.28
  6. Step 6: Final answer
    x = 301,945.17

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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.