Home / 230,449.32-345,829.50-80,690.58

Finding the Fourth Proportional to 230,449.32, 345,829.50 and 80,690.58

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Solution

The fourth proportional to 230,449.32, 345,829.50 and 80,690.58 is: 121,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,449.32 : 345,829.50 = 80,690.58 : x
  2. Step 2: Convert to fraction form
    230,449.32/345,829.50 = 80,690.58/x
  3. Step 3: Cross multiply
    230,449.32x = 345,829.50 × 80,690.58
  4. Step 4: Simplify right side
    230,449.32x = 27,905,182,936.11
  5. Step 5: Solve for x
    x = 27,905,182,936.11/230,449.32
  6. Step 6: Final answer
    x = 121,090.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.