Home / 214,923.40-322,385.10-165,254.20

Finding the Fourth Proportional to 214,923.40, 322,385.10 and 165,254.20

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Solution

The fourth proportional to 214,923.40, 322,385.10 and 165,254.20 is: 247,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,923.40 : 322,385.10 = 165,254.20 : x
  2. Step 2: Convert to fraction form
    214,923.40/322,385.10 = 165,254.20/x
  3. Step 3: Cross multiply
    214,923.40x = 322,385.10 × 165,254.20
  4. Step 4: Simplify right side
    214,923.40x = 53,275,491,792.42
  5. Step 5: Solve for x
    x = 53,275,491,792.42/214,923.40
  6. Step 6: Final answer
    x = 247,881.30

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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.