Home / 409,943.00-565,719.89-228,654.81

Finding the Fourth Proportional to 409,943.00, 565,719.89 and 228,654.81

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Solution

The fourth proportional to 409,943.00, 565,719.89 and 228,654.81 is: 315,542.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,943.00 : 565,719.89 = 228,654.81 : x
  2. Step 2: Convert to fraction form
    409,943.00/565,719.89 = 228,654.81/x
  3. Step 3: Cross multiply
    409,943.00x = 565,719.89 × 228,654.81
  4. Step 4: Simplify right side
    409,943.00x = 129,354,572,817.90
  5. Step 5: Solve for x
    x = 129,354,572,817.90/409,943.00
  6. Step 6: Final answer
    x = 315,542.82

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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.