Home / 215,534.24-323,301.36-65,775.30

Finding the Fourth Proportional to 215,534.24, 323,301.36 and 65,775.30

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Solution

The fourth proportional to 215,534.24, 323,301.36 and 65,775.30 is: 98,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,534.24 : 323,301.36 = 65,775.30 : x
  2. Step 2: Convert to fraction form
    215,534.24/323,301.36 = 65,775.30/x
  3. Step 3: Cross multiply
    215,534.24x = 323,301.36 × 65,775.30
  4. Step 4: Simplify right side
    215,534.24x = 21,265,243,944.41
  5. Step 5: Solve for x
    x = 21,265,243,944.41/215,534.24
  6. Step 6: Final answer
    x = 98,662.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.