Home / 277,610.49-383,095.40-155,103.80

Finding the Fourth Proportional to 277,610.49, 383,095.40 and 155,103.80

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Solution

The fourth proportional to 277,610.49, 383,095.40 and 155,103.80 is: 214,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,610.49 : 383,095.40 = 155,103.80 : x
  2. Step 2: Convert to fraction form
    277,610.49/383,095.40 = 155,103.80/x
  3. Step 3: Cross multiply
    277,610.49x = 383,095.40 × 155,103.80
  4. Step 4: Simplify right side
    277,610.49x = 59,419,549,611.52
  5. Step 5: Solve for x
    x = 59,419,549,611.52/277,610.49
  6. Step 6: Final answer
    x = 214,039.28

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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.