Home / 399,204.64-598,985.97-216,891.46

Finding the Fourth Proportional to 399,204.64, 598,985.97 and 216,891.46

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Solution

The fourth proportional to 399,204.64, 598,985.97 and 216,891.46 is: 325,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,204.64 : 598,985.97 = 216,891.46 : x
  2. Step 2: Convert to fraction form
    399,204.64/598,985.97 = 216,891.46/x
  3. Step 3: Cross multiply
    399,204.64x = 598,985.97 × 216,891.46
  4. Step 4: Simplify right side
    399,204.64x = 129,914,941,552.82
  5. Step 5: Solve for x
    x = 129,914,941,552.82/399,204.64
  6. Step 6: Final answer
    x = 325,434.45

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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.