Home / 279,242.90-415,706.04-277,582.16

Finding the Fourth Proportional to 279,242.90, 415,706.04 and 277,582.16

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Solution

The fourth proportional to 279,242.90, 415,706.04 and 277,582.16 is: 413,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,242.90 : 415,706.04 = 277,582.16 : x
  2. Step 2: Convert to fraction form
    279,242.90/415,706.04 = 277,582.16/x
  3. Step 3: Cross multiply
    279,242.90x = 415,706.04 × 277,582.16
  4. Step 4: Simplify right side
    279,242.90x = 115,392,580,508.25
  5. Step 5: Solve for x
    x = 115,392,580,508.25/279,242.90
  6. Step 6: Final answer
    x = 413,233.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.