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Finding the Fourth Proportional to 486,615.29, 729,992.73 and 149,684.36

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Solution

The fourth proportional to 486,615.29, 729,992.73 and 149,684.36 is: 224,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,615.29 : 729,992.73 = 149,684.36 : x
  2. Step 2: Convert to fraction form
    486,615.29/729,992.73 = 149,684.36/x
  3. Step 3: Cross multiply
    486,615.29x = 729,992.73 × 149,684.36
  4. Step 4: Simplify right side
    486,615.29x = 109,268,494,594.70
  5. Step 5: Solve for x
    x = 109,268,494,594.70/486,615.29
  6. Step 6: Final answer
    x = 224,548.01

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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.