Home / 348,823.80-481,229.64-219,533.04

Finding the Fourth Proportional to 348,823.80, 481,229.64 and 219,533.04

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Solution

The fourth proportional to 348,823.80, 481,229.64 and 219,533.04 is: 302,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,823.80 : 481,229.64 = 219,533.04 : x
  2. Step 2: Convert to fraction form
    348,823.80/481,229.64 = 219,533.04/x
  3. Step 3: Cross multiply
    348,823.80x = 481,229.64 × 219,533.04
  4. Step 4: Simplify right side
    348,823.80x = 105,645,805,807.31
  5. Step 5: Solve for x
    x = 105,645,805,807.31/348,823.80
  6. Step 6: Final answer
    x = 302,862.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.