Home / 417,980.28-576,817.02-226,997.40

Finding the Fourth Proportional to 417,980.28, 576,817.02 and 226,997.40

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Solution

The fourth proportional to 417,980.28, 576,817.02 and 226,997.40 is: 313,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,980.28 : 576,817.02 = 226,997.40 : x
  2. Step 2: Convert to fraction form
    417,980.28/576,817.02 = 226,997.40/x
  3. Step 3: Cross multiply
    417,980.28x = 576,817.02 × 226,997.40
  4. Step 4: Simplify right side
    417,980.28x = 130,935,963,815.75
  5. Step 5: Solve for x
    x = 130,935,963,815.75/417,980.28
  6. Step 6: Final answer
    x = 313,258.71

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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.