Home / 215,416.20-323,124.30-170,801.40

Finding the Fourth Proportional to 215,416.20, 323,124.30 and 170,801.40

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Solution

The fourth proportional to 215,416.20, 323,124.30 and 170,801.40 is: 256,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,416.20 : 323,124.30 = 170,801.40 : x
  2. Step 2: Convert to fraction form
    215,416.20/323,124.30 = 170,801.40/x
  3. Step 3: Cross multiply
    215,416.20x = 323,124.30 × 170,801.40
  4. Step 4: Simplify right side
    215,416.20x = 55,190,082,814.02
  5. Step 5: Solve for x
    x = 55,190,082,814.02/215,416.20
  6. Step 6: Final answer
    x = 256,202.10

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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.