Home / 278,766.22-384,697.85-151,441.94

Finding the Fourth Proportional to 278,766.22, 384,697.85 and 151,441.94

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Solution

The fourth proportional to 278,766.22, 384,697.85 and 151,441.94 is: 208,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,766.22 : 384,697.85 = 151,441.94 : x
  2. Step 2: Convert to fraction form
    278,766.22/384,697.85 = 151,441.94/x
  3. Step 3: Cross multiply
    278,766.22x = 384,697.85 × 151,441.94
  4. Step 4: Simplify right side
    278,766.22x = 58,259,388,717.83
  5. Step 5: Solve for x
    x = 58,259,388,717.83/278,766.22
  6. Step 6: Final answer
    x = 208,990.13

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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.