Home / 299,839.02-449,836.42-89,476.95

Finding the Fourth Proportional to 299,839.02, 449,836.42 and 89,476.95

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Solution

The fourth proportional to 299,839.02, 449,836.42 and 89,476.95 is: 134,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,839.02 : 449,836.42 = 89,476.95 : x
  2. Step 2: Convert to fraction form
    299,839.02/449,836.42 = 89,476.95/x
  3. Step 3: Cross multiply
    299,839.02x = 449,836.42 × 89,476.95
  4. Step 4: Simplify right side
    299,839.02x = 40,249,992,491.48
  5. Step 5: Solve for x
    x = 40,249,992,491.48/299,839.02
  6. Step 6: Final answer
    x = 134,238.68

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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.