Home / 215,535.24-323,302.86-65,776.30

Finding the Fourth Proportional to 215,535.24, 323,302.86 and 65,776.30

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Solution

The fourth proportional to 215,535.24, 323,302.86 and 65,776.30 is: 98,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,535.24 : 323,302.86 = 65,776.30 : x
  2. Step 2: Convert to fraction form
    215,535.24/323,302.86 = 65,776.30/x
  3. Step 3: Cross multiply
    215,535.24x = 323,302.86 × 65,776.30
  4. Step 4: Simplify right side
    215,535.24x = 21,265,665,910.22
  5. Step 5: Solve for x
    x = 21,265,665,910.22/215,535.24
  6. Step 6: Final answer
    x = 98,664.45

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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.