Home / 227,782.84-341,436.50-77,979

Finding the Fourth Proportional to 227,782.84, 341,436.50 and 77,979

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Solution

The fourth proportional to 227,782.84, 341,436.50 and 77,979 is: 116,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,782.84 : 341,436.50 = 77,979 : x
  2. Step 2: Convert to fraction form
    227,782.84/341,436.50 = 77,979/x
  3. Step 3: Cross multiply
    227,782.84x = 341,436.50 × 77,979
  4. Step 4: Simplify right side
    227,782.84x = 26,624,876,833.50
  5. Step 5: Solve for x
    x = 26,624,876,833.50/227,782.84
  6. Step 6: Final answer
    x = 116,887.11

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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.