Home / 269,172.94-403,818.52-79,618.50

Finding the Fourth Proportional to 269,172.94, 403,818.52 and 79,618.50

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Solution

The fourth proportional to 269,172.94, 403,818.52 and 79,618.50 is: 119,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,172.94 : 403,818.52 = 79,618.50 : x
  2. Step 2: Convert to fraction form
    269,172.94/403,818.52 = 79,618.50/x
  3. Step 3: Cross multiply
    269,172.94x = 403,818.52 × 79,618.50
  4. Step 4: Simplify right side
    269,172.94x = 32,151,424,834.62
  5. Step 5: Solve for x
    x = 32,151,424,834.62/269,172.94
  6. Step 6: Final answer
    x = 119,445.23

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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.