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Finding the Fourth Proportional to 245,179, 367,768.52 and 78,967

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Solution

The fourth proportional to 245,179, 367,768.52 and 78,967 is: 118,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,179 : 367,768.52 = 78,967 : x
  2. Step 2: Convert to fraction form
    245,179/367,768.52 = 78,967/x
  3. Step 3: Cross multiply
    245,179x = 367,768.52 × 78,967
  4. Step 4: Simplify right side
    245,179x = 29,041,576,718.84
  5. Step 5: Solve for x
    x = 29,041,576,718.84/245,179
  6. Step 6: Final answer
    x = 118,450.51

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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.