Home / 400,022.52-552,031.02-218,734.57

Finding the Fourth Proportional to 400,022.52, 552,031.02 and 218,734.57

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Solution

The fourth proportional to 400,022.52, 552,031.02 and 218,734.57 is: 301,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,022.52 : 552,031.02 = 218,734.57 : x
  2. Step 2: Convert to fraction form
    400,022.52/552,031.02 = 218,734.57/x
  3. Step 3: Cross multiply
    400,022.52x = 552,031.02 × 218,734.57
  4. Step 4: Simplify right side
    400,022.52x = 120,748,267,786.36
  5. Step 5: Solve for x
    x = 120,748,267,786.36/400,022.52
  6. Step 6: Final answer
    x = 301,853.68

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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.