Home / 279,255.78-415,725.03-277,595.01

Finding the Fourth Proportional to 279,255.78, 415,725.03 and 277,595.01

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Solution

The fourth proportional to 279,255.78, 415,725.03 and 277,595.01 is: 413,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,255.78 : 415,725.03 = 277,595.01 : x
  2. Step 2: Convert to fraction form
    279,255.78/415,725.03 = 277,595.01/x
  3. Step 3: Cross multiply
    279,255.78x = 415,725.03 × 277,595.01
  4. Step 4: Simplify right side
    279,255.78x = 115,403,193,860.10
  5. Step 5: Solve for x
    x = 115,403,193,860.10/279,255.78
  6. Step 6: Final answer
    x = 413,252.66

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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.