Home / 409,849.70-565,591.47-228,561.83

Finding the Fourth Proportional to 409,849.70, 565,591.47 and 228,561.83

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Solution

The fourth proportional to 409,849.70, 565,591.47 and 228,561.83 is: 315,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,849.70 : 565,591.47 = 228,561.83 : x
  2. Step 2: Convert to fraction form
    409,849.70/565,591.47 = 228,561.83/x
  3. Step 3: Cross multiply
    409,849.70x = 565,591.47 × 228,561.83
  4. Step 4: Simplify right side
    409,849.70x = 129,272,621,415.59
  5. Step 5: Solve for x
    x = 129,272,621,415.59/409,849.70
  6. Step 6: Final answer
    x = 315,414.70

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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.