Home / 230,711.20-346,034.40-72,955.60

Finding the Fourth Proportional to 230,711.20, 346,034.40 and 72,955.60

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Solution

The fourth proportional to 230,711.20, 346,034.40 and 72,955.60 is: 109,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,711.20 : 346,034.40 = 72,955.60 : x
  2. Step 2: Convert to fraction form
    230,711.20/346,034.40 = 72,955.60/x
  3. Step 3: Cross multiply
    230,711.20x = 346,034.40 × 72,955.60
  4. Step 4: Simplify right side
    230,711.20x = 25,245,147,272.64
  5. Step 5: Solve for x
    x = 25,245,147,272.64/230,711.20
  6. Step 6: Final answer
    x = 109,423.15

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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.