Home / 437,839.20-604,216.80-236,635.20

Finding the Fourth Proportional to 437,839.20, 604,216.80 and 236,635.20

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Solution

The fourth proportional to 437,839.20, 604,216.80 and 236,635.20 is: 326,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,839.20 : 604,216.80 = 236,635.20 : x
  2. Step 2: Convert to fraction form
    437,839.20/604,216.80 = 236,635.20/x
  3. Step 3: Cross multiply
    437,839.20x = 604,216.80 × 236,635.20
  4. Step 4: Simplify right side
    437,839.20x = 142,978,963,311.36
  5. Step 5: Solve for x
    x = 142,978,963,311.36/437,839.20
  6. Step 6: Final answer
    x = 326,555.88

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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.