Home / 277,310.48-382,679.64-156,450.15

Finding the Fourth Proportional to 277,310.48, 382,679.64 and 156,450.15

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Solution

The fourth proportional to 277,310.48, 382,679.64 and 156,450.15 is: 215,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,310.48 : 382,679.64 = 156,450.15 : x
  2. Step 2: Convert to fraction form
    277,310.48/382,679.64 = 156,450.15/x
  3. Step 3: Cross multiply
    277,310.48x = 382,679.64 × 156,450.15
  4. Step 4: Simplify right side
    277,310.48x = 59,870,287,079.95
  5. Step 5: Solve for x
    x = 59,870,287,079.95/277,310.48
  6. Step 6: Final answer
    x = 215,896.23

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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.