Home / 315,972.38-473,984.66-102,735.44

Finding the Fourth Proportional to 315,972.38, 473,984.66 and 102,735.44

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Solution

The fourth proportional to 315,972.38, 473,984.66 and 102,735.44 is: 154,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,972.38 : 473,984.66 = 102,735.44 : x
  2. Step 2: Convert to fraction form
    315,972.38/473,984.66 = 102,735.44/x
  3. Step 3: Cross multiply
    315,972.38x = 473,984.66 × 102,735.44
  4. Step 4: Simplify right side
    315,972.38x = 48,695,022,084.67
  5. Step 5: Solve for x
    x = 48,695,022,084.67/315,972.38
  6. Step 6: Final answer
    x = 154,111.64

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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.