Home / 367,943.40-551,915.10-115,243.65

Finding the Fourth Proportional to 367,943.40, 551,915.10 and 115,243.65

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Solution

The fourth proportional to 367,943.40, 551,915.10 and 115,243.65 is: 172,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,943.40 : 551,915.10 = 115,243.65 : x
  2. Step 2: Convert to fraction form
    367,943.40/551,915.10 = 115,243.65/x
  3. Step 3: Cross multiply
    367,943.40x = 551,915.10 × 115,243.65
  4. Step 4: Simplify right side
    367,943.40x = 63,604,710,614.12
  5. Step 5: Solve for x
    x = 63,604,710,614.12/367,943.40
  6. Step 6: Final answer
    x = 172,865.48

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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.