Home / 315,708.05-473,748.90-116,168.55

Finding the Fourth Proportional to 315,708.05, 473,748.90 and 116,168.55

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Solution

The fourth proportional to 315,708.05, 473,748.90 and 116,168.55 is: 174,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,708.05 : 473,748.90 = 116,168.55 : x
  2. Step 2: Convert to fraction form
    315,708.05/473,748.90 = 116,168.55/x
  3. Step 3: Cross multiply
    315,708.05x = 473,748.90 × 116,168.55
  4. Step 4: Simplify right side
    315,708.05x = 55,034,722,777.10
  5. Step 5: Solve for x
    x = 55,034,722,777.10/315,708.05
  6. Step 6: Final answer
    x = 174,321.57

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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.