Home / 540,902.28-811,291.32-141,581.73

Finding the Fourth Proportional to 540,902.28, 811,291.32 and 141,581.73

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Solution

The fourth proportional to 540,902.28, 811,291.32 and 141,581.73 is: 212,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,902.28 : 811,291.32 = 141,581.73 : x
  2. Step 2: Convert to fraction form
    540,902.28/811,291.32 = 141,581.73/x
  3. Step 3: Cross multiply
    540,902.28x = 811,291.32 × 141,581.73
  4. Step 4: Simplify right side
    540,902.28x = 114,864,028,619.58
  5. Step 5: Solve for x
    x = 114,864,028,619.58/540,902.28
  6. Step 6: Final answer
    x = 212,356.34

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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.