Home / 460,385.49-635,363.90-279,105.06

Finding the Fourth Proportional to 460,385.49, 635,363.90 and 279,105.06

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Solution

The fourth proportional to 460,385.49, 635,363.90 and 279,105.06 is: 385,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,385.49 : 635,363.90 = 279,105.06 : x
  2. Step 2: Convert to fraction form
    460,385.49/635,363.90 = 279,105.06/x
  3. Step 3: Cross multiply
    460,385.49x = 635,363.90 × 279,105.06
  4. Step 4: Simplify right side
    460,385.49x = 177,333,279,431.33
  5. Step 5: Solve for x
    x = 177,333,279,431.33/460,385.49
  6. Step 6: Final answer
    x = 385,184.34

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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.