Home / 278,592.15-384,446.39-151,264.83

Finding the Fourth Proportional to 278,592.15, 384,446.39 and 151,264.83

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Solution

The fourth proportional to 278,592.15, 384,446.39 and 151,264.83 is: 208,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,592.15 : 384,446.39 = 151,264.83 : x
  2. Step 2: Convert to fraction form
    278,592.15/384,446.39 = 151,264.83/x
  3. Step 3: Cross multiply
    278,592.15x = 384,446.39 × 151,264.83
  4. Step 4: Simplify right side
    278,592.15x = 58,153,217,071.14
  5. Step 5: Solve for x
    x = 58,153,217,071.14/278,592.15
  6. Step 6: Final answer
    x = 208,739.61

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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.