Home / 304,815.90-457,223.85-198,527.70

Finding the Fourth Proportional to 304,815.90, 457,223.85 and 198,527.70

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Solution

The fourth proportional to 304,815.90, 457,223.85 and 198,527.70 is: 297,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,815.90 : 457,223.85 = 198,527.70 : x
  2. Step 2: Convert to fraction form
    304,815.90/457,223.85 = 198,527.70/x
  3. Step 3: Cross multiply
    304,815.90x = 457,223.85 × 198,527.70
  4. Step 4: Simplify right side
    304,815.90x = 90,771,599,325.65
  5. Step 5: Solve for x
    x = 90,771,599,325.65/304,815.90
  6. Step 6: Final answer
    x = 297,791.55

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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.