Home / 278,817.15-384,753.33-151,492.44

Finding the Fourth Proportional to 278,817.15, 384,753.33 and 151,492.44

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Solution

The fourth proportional to 278,817.15, 384,753.33 and 151,492.44 is: 209,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,817.15 : 384,753.33 = 151,492.44 : x
  2. Step 2: Convert to fraction form
    278,817.15/384,753.33 = 151,492.44/x
  3. Step 3: Cross multiply
    278,817.15x = 384,753.33 × 151,492.44
  4. Step 4: Simplify right side
    278,817.15x = 58,287,220,759.83
  5. Step 5: Solve for x
    x = 58,287,220,759.83/278,817.15
  6. Step 6: Final answer
    x = 209,051.78

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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.