Home / 279,252.88-385,367.22-151,929.04

Finding the Fourth Proportional to 279,252.88, 385,367.22 and 151,929.04

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Solution

The fourth proportional to 279,252.88, 385,367.22 and 151,929.04 is: 209,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,252.88 : 385,367.22 = 151,929.04 : x
  2. Step 2: Convert to fraction form
    279,252.88/385,367.22 = 151,929.04/x
  3. Step 3: Cross multiply
    279,252.88x = 385,367.22 × 151,929.04
  4. Step 4: Simplify right side
    279,252.88x = 58,548,471,782.07
  5. Step 5: Solve for x
    x = 58,548,471,782.07/279,252.88
  6. Step 6: Final answer
    x = 209,661.12

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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.