Home / 245,434.20-368,367.30-145,469.40

Finding the Fourth Proportional to 245,434.20, 368,367.30 and 145,469.40

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Solution

The fourth proportional to 245,434.20, 368,367.30 and 145,469.40 is: 218,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,434.20 : 368,367.30 = 145,469.40 : x
  2. Step 2: Convert to fraction form
    245,434.20/368,367.30 = 145,469.40/x
  3. Step 3: Cross multiply
    245,434.20x = 368,367.30 × 145,469.40
  4. Step 4: Simplify right side
    245,434.20x = 53,586,170,110.62
  5. Step 5: Solve for x
    x = 53,586,170,110.62/245,434.20
  6. Step 6: Final answer
    x = 218,332.12

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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.