Home / 251,623.72-377,456.07-71,722.90

Finding the Fourth Proportional to 251,623.72, 377,456.07 and 71,722.90

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Solution

The fourth proportional to 251,623.72, 377,456.07 and 71,722.90 is: 107,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,623.72 : 377,456.07 = 71,722.90 : x
  2. Step 2: Convert to fraction form
    251,623.72/377,456.07 = 71,722.90/x
  3. Step 3: Cross multiply
    251,623.72x = 377,456.07 × 71,722.90
  4. Step 4: Simplify right side
    251,623.72x = 27,072,243,963.00
  5. Step 5: Solve for x
    x = 27,072,243,963.00/251,623.72
  6. Step 6: Final answer
    x = 107,590.19

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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.