Home / 400,268.20-552,368.14-218,976.82

Finding the Fourth Proportional to 400,268.20, 552,368.14 and 218,976.82

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Solution

The fourth proportional to 400,268.20, 552,368.14 and 218,976.82 is: 302,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,268.20 : 552,368.14 = 218,976.82 : x
  2. Step 2: Convert to fraction form
    400,268.20/552,368.14 = 218,976.82/x
  3. Step 3: Cross multiply
    400,268.20x = 552,368.14 × 218,976.82
  4. Step 4: Simplify right side
    400,268.20x = 120,955,818,766.52
  5. Step 5: Solve for x
    x = 120,955,818,766.52/400,268.20
  6. Step 6: Final answer
    x = 302,186.93

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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.