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Finding the Fourth Proportional to 304,679.58, 420,428.48 and 182,147.75

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Solution

The fourth proportional to 304,679.58, 420,428.48 and 182,147.75 is: 251,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,679.58 : 420,428.48 = 182,147.75 : x
  2. Step 2: Convert to fraction form
    304,679.58/420,428.48 = 182,147.75/x
  3. Step 3: Cross multiply
    304,679.58x = 420,428.48 × 182,147.75
  4. Step 4: Simplify right side
    304,679.58x = 76,580,098,655.04
  5. Step 5: Solve for x
    x = 76,580,098,655.04/304,679.58
  6. Step 6: Final answer
    x = 251,346.34

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1.5x scale

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.