Home / 296,765.12-409,297.60-260,879.04

Finding the Fourth Proportional to 296,765.12, 409,297.60 and 260,879.04

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Solution

The fourth proportional to 296,765.12, 409,297.60 and 260,879.04 is: 359,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,765.12 : 409,297.60 = 260,879.04 : x
  2. Step 2: Convert to fraction form
    296,765.12/409,297.60 = 260,879.04/x
  3. Step 3: Cross multiply
    296,765.12x = 409,297.60 × 260,879.04
  4. Step 4: Simplify right side
    296,765.12x = 106,777,164,962.30
  5. Step 5: Solve for x
    x = 106,777,164,962.30/296,765.12
  6. Step 6: Final answer
    x = 359,803.62

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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.