Home / 400,022.27-552,030.67-218,734.32

Finding the Fourth Proportional to 400,022.27, 552,030.67 and 218,734.32

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Solution

The fourth proportional to 400,022.27, 552,030.67 and 218,734.32 is: 301,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,022.27 : 552,030.67 = 218,734.32 : x
  2. Step 2: Convert to fraction form
    400,022.27/552,030.67 = 218,734.32/x
  3. Step 3: Cross multiply
    400,022.27x = 552,030.67 × 218,734.32
  4. Step 4: Simplify right side
    400,022.27x = 120,748,053,221.59
  5. Step 5: Solve for x
    x = 120,748,053,221.59/400,022.27
  6. Step 6: Final answer
    x = 301,853.33

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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.