Home / 278,029.22-383,670.04-150,702.08

Finding the Fourth Proportional to 278,029.22, 383,670.04 and 150,702.08

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Solution

The fourth proportional to 278,029.22, 383,670.04 and 150,702.08 is: 207,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,029.22 : 383,670.04 = 150,702.08 : x
  2. Step 2: Convert to fraction form
    278,029.22/383,670.04 = 150,702.08/x
  3. Step 3: Cross multiply
    278,029.22x = 383,670.04 × 150,702.08
  4. Step 4: Simplify right side
    278,029.22x = 57,819,871,725.75
  5. Step 5: Solve for x
    x = 57,819,871,725.75/278,029.22
  6. Step 6: Final answer
    x = 207,963.29

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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.