Home / 284,003.88-423,680.05-276,281.96

Finding the Fourth Proportional to 284,003.88, 423,680.05 and 276,281.96

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Solution

The fourth proportional to 284,003.88, 423,680.05 and 276,281.96 is: 412,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,003.88 : 423,680.05 = 276,281.96 : x
  2. Step 2: Convert to fraction form
    284,003.88/423,680.05 = 276,281.96/x
  3. Step 3: Cross multiply
    284,003.88x = 423,680.05 × 276,281.96
  4. Step 4: Simplify right side
    284,003.88x = 117,055,154,626.90
  5. Step 5: Solve for x
    x = 117,055,154,626.90/284,003.88
  6. Step 6: Final answer
    x = 412,160.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.