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Finding the Fourth Proportional to 342,379.29, 472,548.29 and 229,398.33

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Solution

The fourth proportional to 342,379.29, 472,548.29 and 229,398.33 is: 316,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,379.29 : 472,548.29 = 229,398.33 : x
  2. Step 2: Convert to fraction form
    342,379.29/472,548.29 = 229,398.33/x
  3. Step 3: Cross multiply
    342,379.29x = 472,548.29 × 229,398.33
  4. Step 4: Simplify right side
    342,379.29x = 108,401,787,423.36
  5. Step 5: Solve for x
    x = 108,401,787,423.36/342,379.29
  6. Step 6: Final answer
    x = 316,613.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.