Home / 399,320.25-550,996.92-235,954.02

Finding the Fourth Proportional to 399,320.25, 550,996.92 and 235,954.02

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Solution

The fourth proportional to 399,320.25, 550,996.92 and 235,954.02 is: 325,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,320.25 : 550,996.92 = 235,954.02 : x
  2. Step 2: Convert to fraction form
    399,320.25/550,996.92 = 235,954.02/x
  3. Step 3: Cross multiply
    399,320.25x = 550,996.92 × 235,954.02
  4. Step 4: Simplify right side
    399,320.25x = 130,009,938,281.62
  5. Step 5: Solve for x
    x = 130,009,938,281.62/399,320.25
  6. Step 6: Final answer
    x = 325,578.13

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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.