Home / 399,244.02-550,965.09-217,963.59

Finding the Fourth Proportional to 399,244.02, 550,965.09 and 217,963.59

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Solution

The fourth proportional to 399,244.02, 550,965.09 and 217,963.59 is: 300,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,244.02 : 550,965.09 = 217,963.59 : x
  2. Step 2: Convert to fraction form
    399,244.02/550,965.09 = 217,963.59/x
  3. Step 3: Cross multiply
    399,244.02x = 550,965.09 × 217,963.59
  4. Step 4: Simplify right side
    399,244.02x = 120,090,329,605.45
  5. Step 5: Solve for x
    x = 120,090,329,605.45/399,244.02
  6. Step 6: Final answer
    x = 300,794.31

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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.