Home / 409,491.15-565,057.92-228,186.11

Finding the Fourth Proportional to 409,491.15, 565,057.92 and 228,186.11

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Solution

The fourth proportional to 409,491.15, 565,057.92 and 228,186.11 is: 314,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,491.15 : 565,057.92 = 228,186.11 : x
  2. Step 2: Convert to fraction form
    409,491.15/565,057.92 = 228,186.11/x
  3. Step 3: Cross multiply
    409,491.15x = 565,057.92 × 228,186.11
  4. Step 4: Simplify right side
    409,491.15x = 128,938,370,957.83
  5. Step 5: Solve for x
    x = 128,938,370,957.83/409,491.15
  6. Step 6: Final answer
    x = 314,874.62

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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.