Home / 379,192.48-523,264.08-218,021.92

Finding the Fourth Proportional to 379,192.48, 523,264.08 and 218,021.92

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Solution

The fourth proportional to 379,192.48, 523,264.08 and 218,021.92 is: 300,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,192.48 : 523,264.08 = 218,021.92 : x
  2. Step 2: Convert to fraction form
    379,192.48/523,264.08 = 218,021.92/x
  3. Step 3: Cross multiply
    379,192.48x = 523,264.08 × 218,021.92
  4. Step 4: Simplify right side
    379,192.48x = 114,083,039,388.63
  5. Step 5: Solve for x
    x = 114,083,039,388.63/379,192.48
  6. Step 6: Final answer
    x = 300,857.86

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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.