Home / 205,827.48-308,595.42-79,360.56

Finding the Fourth Proportional to 205,827.48, 308,595.42 and 79,360.56

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Solution

The fourth proportional to 205,827.48, 308,595.42 and 79,360.56 is: 118,984.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,827.48 : 308,595.42 = 79,360.56 : x
  2. Step 2: Convert to fraction form
    205,827.48/308,595.42 = 79,360.56/x
  3. Step 3: Cross multiply
    205,827.48x = 308,595.42 × 79,360.56
  4. Step 4: Simplify right side
    205,827.48x = 24,490,305,344.64
  5. Step 5: Solve for x
    x = 24,490,305,344.64/205,827.48
  6. Step 6: Final answer
    x = 118,984.62

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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.