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Finding the Fourth Proportional to 245,099.98, 367,964.82 and 188,975.74

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Solution

The fourth proportional to 245,099.98, 367,964.82 and 188,975.74 is: 283,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,099.98 : 367,964.82 = 188,975.74 : x
  2. Step 2: Convert to fraction form
    245,099.98/367,964.82 = 188,975.74/x
  3. Step 3: Cross multiply
    245,099.98x = 367,964.82 × 188,975.74
  4. Step 4: Simplify right side
    245,099.98x = 69,536,424,153.47
  5. Step 5: Solve for x
    x = 69,536,424,153.47/245,099.98
  6. Step 6: Final answer
    x = 283,706.36

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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.