Home / 205,948.40-308,922.60-161,711.60

Finding the Fourth Proportional to 205,948.40, 308,922.60 and 161,711.60

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Solution

The fourth proportional to 205,948.40, 308,922.60 and 161,711.60 is: 242,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,948.40 : 308,922.60 = 161,711.60 : x
  2. Step 2: Convert to fraction form
    205,948.40/308,922.60 = 161,711.60/x
  3. Step 3: Cross multiply
    205,948.40x = 308,922.60 × 161,711.60
  4. Step 4: Simplify right side
    205,948.40x = 49,956,367,922.16
  5. Step 5: Solve for x
    x = 49,956,367,922.16/205,948.40
  6. Step 6: Final answer
    x = 242,567.40

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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.