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Finding the Fourth Proportional to 375,765.66, 518,555.52 and 205,999.92

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Solution

The fourth proportional to 375,765.66, 518,555.52 and 205,999.92 is: 284,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,765.66 : 518,555.52 = 205,999.92 : x
  2. Step 2: Convert to fraction form
    375,765.66/518,555.52 = 205,999.92/x
  3. Step 3: Cross multiply
    375,765.66x = 518,555.52 × 205,999.92
  4. Step 4: Simplify right side
    375,765.66x = 106,822,395,635.56
  5. Step 5: Solve for x
    x = 106,822,395,635.56/375,765.66
  6. Step 6: Final answer
    x = 284,279.29

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1.5x scale

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.