Home / 342,279.48-513,487.66-105,613.26

Finding the Fourth Proportional to 342,279.48, 513,487.66 and 105,613.26

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Solution

The fourth proportional to 342,279.48, 513,487.66 and 105,613.26 is: 158,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,279.48 : 513,487.66 = 105,613.26 : x
  2. Step 2: Convert to fraction form
    342,279.48/513,487.66 = 105,613.26/x
  3. Step 3: Cross multiply
    342,279.48x = 513,487.66 × 105,613.26
  4. Step 4: Simplify right side
    342,279.48x = 54,231,105,742.37
  5. Step 5: Solve for x
    x = 54,231,105,742.37/342,279.48
  6. Step 6: Final answer
    x = 158,441.01

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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.