Home / 246,839.89-370,222.02-78,338.37

Finding the Fourth Proportional to 246,839.89, 370,222.02 and 78,338.37

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Solution

The fourth proportional to 246,839.89, 370,222.02 and 78,338.37 is: 117,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,839.89 : 370,222.02 = 78,338.37 : x
  2. Step 2: Convert to fraction form
    246,839.89/370,222.02 = 78,338.37/x
  3. Step 3: Cross multiply
    246,839.89x = 370,222.02 × 78,338.37
  4. Step 4: Simplify right side
    246,839.89x = 29,002,590,752.91
  5. Step 5: Solve for x
    x = 29,002,590,752.91/246,839.89
  6. Step 6: Final answer
    x = 117,495.56

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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.