Home / 230,719.44-346,077-72,947.91

Finding the Fourth Proportional to 230,719.44, 346,077 and 72,947.91

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Solution

The fourth proportional to 230,719.44, 346,077 and 72,947.91 is: 109,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,719.44 : 346,077 = 72,947.91 : x
  2. Step 2: Convert to fraction form
    230,719.44/346,077 = 72,947.91/x
  3. Step 3: Cross multiply
    230,719.44x = 346,077 × 72,947.91
  4. Step 4: Simplify right side
    230,719.44x = 25,245,593,849.07
  5. Step 5: Solve for x
    x = 25,245,593,849.07/230,719.44
  6. Step 6: Final answer
    x = 109,421.18

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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.