Home / 278,659.63-384,550.37-151,335.19

Finding the Fourth Proportional to 278,659.63, 384,550.37 and 151,335.19

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Solution

The fourth proportional to 278,659.63, 384,550.37 and 151,335.19 is: 208,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,659.63 : 384,550.37 = 151,335.19 : x
  2. Step 2: Convert to fraction form
    278,659.63/384,550.37 = 151,335.19/x
  3. Step 3: Cross multiply
    278,659.63x = 384,550.37 × 151,335.19
  4. Step 4: Simplify right side
    278,659.63x = 58,196,003,308.52
  5. Step 5: Solve for x
    x = 58,196,003,308.52/278,659.63
  6. Step 6: Final answer
    x = 208,842.61

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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.