Home / 205,601.79-307,923.65-199,926.52

Finding the Fourth Proportional to 205,601.79, 307,923.65 and 199,926.52

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Solution

The fourth proportional to 205,601.79, 307,923.65 and 199,926.52 is: 299,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,601.79 : 307,923.65 = 199,926.52 : x
  2. Step 2: Convert to fraction form
    205,601.79/307,923.65 = 199,926.52/x
  3. Step 3: Cross multiply
    205,601.79x = 307,923.65 × 199,926.52
  4. Step 4: Simplify right side
    205,601.79x = 61,562,103,770.20
  5. Step 5: Solve for x
    x = 61,562,103,770.20/205,601.79
  6. Step 6: Final answer
    x = 299,423.97

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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.