Home / 248,439.84-372,607.42-79,975.20

Finding the Fourth Proportional to 248,439.84, 372,607.42 and 79,975.20

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Solution

The fourth proportional to 248,439.84, 372,607.42 and 79,975.20 is: 119,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,439.84 : 372,607.42 = 79,975.20 : x
  2. Step 2: Convert to fraction form
    248,439.84/372,607.42 = 79,975.20/x
  3. Step 3: Cross multiply
    248,439.84x = 372,607.42 × 79,975.20
  4. Step 4: Simplify right side
    248,439.84x = 29,799,352,935.98
  5. Step 5: Solve for x
    x = 29,799,352,935.98/248,439.84
  6. Step 6: Final answer
    x = 119,945.95

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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.