Home / 454,201.40-681,302.10-217,422.20

Finding the Fourth Proportional to 454,201.40, 681,302.10 and 217,422.20

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Solution

The fourth proportional to 454,201.40, 681,302.10 and 217,422.20 is: 326,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,201.40 : 681,302.10 = 217,422.20 : x
  2. Step 2: Convert to fraction form
    454,201.40/681,302.10 = 217,422.20/x
  3. Step 3: Cross multiply
    454,201.40x = 681,302.10 × 217,422.20
  4. Step 4: Simplify right side
    454,201.40x = 148,130,201,446.62
  5. Step 5: Solve for x
    x = 148,130,201,446.62/454,201.40
  6. Step 6: Final answer
    x = 326,133.30

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Similar ratio
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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.