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Finding the Fourth Proportional to 194,637.60, 291,934.80 and 54,410.40

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Solution

The fourth proportional to 194,637.60, 291,934.80 and 54,410.40 is: 81,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,637.60 : 291,934.80 = 54,410.40 : x
  2. Step 2: Convert to fraction form
    194,637.60/291,934.80 = 54,410.40/x
  3. Step 3: Cross multiply
    194,637.60x = 291,934.80 × 54,410.40
  4. Step 4: Simplify right side
    194,637.60x = 15,884,289,241.92
  5. Step 5: Solve for x
    x = 15,884,289,241.92/194,637.60
  6. Step 6: Final answer
    x = 81,609.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.