Home / 291,261.15-402,064.56-195,823.44

Finding the Fourth Proportional to 291,261.15, 402,064.56 and 195,823.44

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Solution

The fourth proportional to 291,261.15, 402,064.56 and 195,823.44 is: 270,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,261.15 : 402,064.56 = 195,823.44 : x
  2. Step 2: Convert to fraction form
    291,261.15/402,064.56 = 195,823.44/x
  3. Step 3: Cross multiply
    291,261.15x = 402,064.56 × 195,823.44
  4. Step 4: Simplify right side
    291,261.15x = 78,733,665,241.29
  5. Step 5: Solve for x
    x = 78,733,665,241.29/291,261.15
  6. Step 6: Final answer
    x = 270,319.83

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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.