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Finding the Fourth Proportional to 299,996.40, 450,119.66 and 131,637.73

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Solution

The fourth proportional to 299,996.40, 450,119.66 and 131,637.73 is: 197,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,996.40 : 450,119.66 = 131,637.73 : x
  2. Step 2: Convert to fraction form
    299,996.40/450,119.66 = 131,637.73/x
  3. Step 3: Cross multiply
    299,996.40x = 450,119.66 × 131,637.73
  4. Step 4: Simplify right side
    299,996.40x = 59,252,730,270.77
  5. Step 5: Solve for x
    x = 59,252,730,270.77/299,996.40
  6. Step 6: Final answer
    x = 197,511.47

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1.5x scale

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.