Home / 215,622.20-323,433.30-194,886.20

Finding the Fourth Proportional to 215,622.20, 323,433.30 and 194,886.20

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Solution

The fourth proportional to 215,622.20, 323,433.30 and 194,886.20 is: 292,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,622.20 : 323,433.30 = 194,886.20 : x
  2. Step 2: Convert to fraction form
    215,622.20/323,433.30 = 194,886.20/x
  3. Step 3: Cross multiply
    215,622.20x = 323,433.30 × 194,886.20
  4. Step 4: Simplify right side
    215,622.20x = 63,032,686,790.46
  5. Step 5: Solve for x
    x = 63,032,686,790.46/215,622.20
  6. Step 6: Final answer
    x = 292,329.30

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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.