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Finding the Fourth Proportional to 282,843.37, 424,264.86 and 83,165.41

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Solution

The fourth proportional to 282,843.37, 424,264.86 and 83,165.41 is: 124,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,843.37 : 424,264.86 = 83,165.41 : x
  2. Step 2: Convert to fraction form
    282,843.37/424,264.86 = 83,165.41/x
  3. Step 3: Cross multiply
    282,843.37x = 424,264.86 × 83,165.41
  4. Step 4: Simplify right side
    282,843.37x = 35,284,161,030.49
  5. Step 5: Solve for x
    x = 35,284,161,030.49/282,843.37
  6. Step 6: Final answer
    x = 124,748.06

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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.