Home / 386,780.83-580,290.02-184,634.88

Finding the Fourth Proportional to 386,780.83, 580,290.02 and 184,634.88

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Solution

The fourth proportional to 386,780.83, 580,290.02 and 184,634.88 is: 277,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,780.83 : 580,290.02 = 184,634.88 : x
  2. Step 2: Convert to fraction form
    386,780.83/580,290.02 = 184,634.88/x
  3. Step 3: Cross multiply
    386,780.83x = 580,290.02 × 184,634.88
  4. Step 4: Simplify right side
    386,780.83x = 107,141,780,153.19
  5. Step 5: Solve for x
    x = 107,141,780,153.19/386,780.83
  6. Step 6: Final answer
    x = 277,009.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.