Home / 290,284.89-400,571.03-162,935.88

Finding the Fourth Proportional to 290,284.89, 400,571.03 and 162,935.88

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Solution

The fourth proportional to 290,284.89, 400,571.03 and 162,935.88 is: 224,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,284.89 : 400,571.03 = 162,935.88 : x
  2. Step 2: Convert to fraction form
    290,284.89/400,571.03 = 162,935.88/x
  3. Step 3: Cross multiply
    290,284.89x = 400,571.03 × 162,935.88
  4. Step 4: Simplify right side
    290,284.89x = 65,267,392,460.88
  5. Step 5: Solve for x
    x = 65,267,392,460.88/290,284.89
  6. Step 6: Final answer
    x = 224,839.10

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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.