Home / 400,266.19-552,365.38-218,974.83

Finding the Fourth Proportional to 400,266.19, 552,365.38 and 218,974.83

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Solution

The fourth proportional to 400,266.19, 552,365.38 and 218,974.83 is: 302,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,266.19 : 552,365.38 = 218,974.83 : x
  2. Step 2: Convert to fraction form
    400,266.19/552,365.38 = 218,974.83/x
  3. Step 3: Cross multiply
    400,266.19x = 552,365.38 × 218,974.83
  4. Step 4: Simplify right side
    400,266.19x = 120,954,112,154.00
  5. Step 5: Solve for x
    x = 120,954,112,154.00/400,266.19
  6. Step 6: Final answer
    x = 302,184.18

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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.