Home / 278,223.52-383,889.36-165,083.04

Finding the Fourth Proportional to 278,223.52, 383,889.36 and 165,083.04

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Solution

The fourth proportional to 278,223.52, 383,889.36 and 165,083.04 is: 227,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,223.52 : 383,889.36 = 165,083.04 : x
  2. Step 2: Convert to fraction form
    278,223.52/383,889.36 = 165,083.04/x
  3. Step 3: Cross multiply
    278,223.52x = 383,889.36 × 165,083.04
  4. Step 4: Simplify right side
    278,223.52x = 63,373,622,572.45
  5. Step 5: Solve for x
    x = 63,373,622,572.45/278,223.52
  6. Step 6: Final answer
    x = 227,779.53

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1.5x scale

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.