Home / 245,631.40-367,928.70-192,754.60

Finding the Fourth Proportional to 245,631.40, 367,928.70 and 192,754.60

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Solution

The fourth proportional to 245,631.40, 367,928.70 and 192,754.60 is: 288,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,631.40 : 367,928.70 = 192,754.60 : x
  2. Step 2: Convert to fraction form
    245,631.40/367,928.70 = 192,754.60/x
  3. Step 3: Cross multiply
    245,631.40x = 367,928.70 × 192,754.60
  4. Step 4: Simplify right side
    245,631.40x = 70,919,949,397.02
  5. Step 5: Solve for x
    x = 70,919,949,397.02/245,631.40
  6. Step 6: Final answer
    x = 288,725.10

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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.