Home / 361,828.89-498,997.12-225,875.45

Finding the Fourth Proportional to 361,828.89, 498,997.12 and 225,875.45

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Solution

The fourth proportional to 361,828.89, 498,997.12 and 225,875.45 is: 311,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,828.89 : 498,997.12 = 225,875.45 : x
  2. Step 2: Convert to fraction form
    361,828.89/498,997.12 = 225,875.45/x
  3. Step 3: Cross multiply
    361,828.89x = 498,997.12 × 225,875.45
  4. Step 4: Simplify right side
    361,828.89x = 112,711,199,028.70
  5. Step 5: Solve for x
    x = 112,711,199,028.70/361,828.89
  6. Step 6: Final answer
    x = 311,504.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.