Home / 278,773.20-384,702.48-151,450.92

Finding the Fourth Proportional to 278,773.20, 384,702.48 and 151,450.92

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Solution

The fourth proportional to 278,773.20, 384,702.48 and 151,450.92 is: 208,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,773.20 : 384,702.48 = 151,450.92 : x
  2. Step 2: Convert to fraction form
    278,773.20/384,702.48 = 151,450.92/x
  3. Step 3: Cross multiply
    278,773.20x = 384,702.48 × 151,450.92
  4. Step 4: Simplify right side
    278,773.20x = 58,263,544,522.28
  5. Step 5: Solve for x
    x = 58,263,544,522.28/278,773.20
  6. Step 6: Final answer
    x = 208,999.81

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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.