Home / 281,724.40-423,623.40-236,105.20

Finding the Fourth Proportional to 281,724.40, 423,623.40 and 236,105.20

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Solution

The fourth proportional to 281,724.40, 423,623.40 and 236,105.20 is: 355,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,724.40 : 423,623.40 = 236,105.20 : x
  2. Step 2: Convert to fraction form
    281,724.40/423,623.40 = 236,105.20/x
  3. Step 3: Cross multiply
    281,724.40x = 423,623.40 × 236,105.20
  4. Step 4: Simplify right side
    281,724.40x = 100,019,687,581.68
  5. Step 5: Solve for x
    x = 100,019,687,581.68/281,724.40
  6. Step 6: Final answer
    x = 355,026.71

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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.