Home / 279,243.90-415,707.54-277,583.16

Finding the Fourth Proportional to 279,243.90, 415,707.54 and 277,583.16

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Solution

The fourth proportional to 279,243.90, 415,707.54 and 277,583.16 is: 413,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,243.90 : 415,707.54 = 277,583.16 : x
  2. Step 2: Convert to fraction form
    279,243.90/415,707.54 = 277,583.16/x
  3. Step 3: Cross multiply
    279,243.90x = 415,707.54 × 277,583.16
  4. Step 4: Simplify right side
    279,243.90x = 115,393,412,589.03
  5. Step 5: Solve for x
    x = 115,393,412,589.03/279,243.90
  6. Step 6: Final answer
    x = 413,235.21

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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.