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Finding the Fourth Proportional to 658,453.49, 987,673.03 and 159,817.49

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Solution

The fourth proportional to 658,453.49, 987,673.03 and 159,817.49 is: 239,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,453.49 : 987,673.03 = 159,817.49 : x
  2. Step 2: Convert to fraction form
    658,453.49/987,673.03 = 159,817.49/x
  3. Step 3: Cross multiply
    658,453.49x = 987,673.03 × 159,817.49
  4. Step 4: Simplify right side
    658,453.49x = 157,847,424,595.30
  5. Step 5: Solve for x
    x = 157,847,424,595.30/658,453.49
  6. Step 6: Final answer
    x = 239,724.49

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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.