Home / 215,006.70-322,854.30-170,999.40

Finding the Fourth Proportional to 215,006.70, 322,854.30 and 170,999.40

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Solution

The fourth proportional to 215,006.70, 322,854.30 and 170,999.40 is: 256,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,006.70 : 322,854.30 = 170,999.40 : x
  2. Step 2: Convert to fraction form
    215,006.70/322,854.30 = 170,999.40/x
  3. Step 3: Cross multiply
    215,006.70x = 322,854.30 × 170,999.40
  4. Step 4: Simplify right side
    215,006.70x = 55,207,891,587.42
  5. Step 5: Solve for x
    x = 55,207,891,587.42/215,006.70
  6. Step 6: Final answer
    x = 256,772.89

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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.