Home / 230,711.40-346,065.02-72,939.90

Finding the Fourth Proportional to 230,711.40, 346,065.02 and 72,939.90

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Solution

The fourth proportional to 230,711.40, 346,065.02 and 72,939.90 is: 109,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,711.40 : 346,065.02 = 72,939.90 : x
  2. Step 2: Convert to fraction form
    230,711.40/346,065.02 = 72,939.90/x
  3. Step 3: Cross multiply
    230,711.40x = 346,065.02 × 72,939.90
  4. Step 4: Simplify right side
    230,711.40x = 25,241,947,587.60
  5. Step 5: Solve for x
    x = 25,241,947,587.60/230,711.40
  6. Step 6: Final answer
    x = 109,409.19

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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.