Home / 215,826.70-323,740.05-166,002.70

Finding the Fourth Proportional to 215,826.70, 323,740.05 and 166,002.70

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Solution

The fourth proportional to 215,826.70, 323,740.05 and 166,002.70 is: 249,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,826.70 : 323,740.05 = 166,002.70 : x
  2. Step 2: Convert to fraction form
    215,826.70/323,740.05 = 166,002.70/x
  3. Step 3: Cross multiply
    215,826.70x = 323,740.05 × 166,002.70
  4. Step 4: Simplify right side
    215,826.70x = 53,741,722,398.14
  5. Step 5: Solve for x
    x = 53,741,722,398.14/215,826.70
  6. Step 6: Final answer
    x = 249,004.05

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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.