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Finding the Fourth Proportional to 604,901.88, 906,719.82 and 225,670.02

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Solution

The fourth proportional to 604,901.88, 906,719.82 and 225,670.02 is: 338,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,901.88 : 906,719.82 = 225,670.02 : x
  2. Step 2: Convert to fraction form
    604,901.88/906,719.82 = 225,670.02/x
  3. Step 3: Cross multiply
    604,901.88x = 906,719.82 × 225,670.02
  4. Step 4: Simplify right side
    604,901.88x = 204,619,479,913.80
  5. Step 5: Solve for x
    x = 204,619,479,913.80/604,901.88
  6. Step 6: Final answer
    x = 338,268.88

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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.