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Finding the Fourth Proportional to 340,237.89, 510,388.63 and 100,352.03

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Solution

The fourth proportional to 340,237.89, 510,388.63 and 100,352.03 is: 150,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,237.89 : 510,388.63 = 100,352.03 : x
  2. Step 2: Convert to fraction form
    340,237.89/510,388.63 = 100,352.03/x
  3. Step 3: Cross multiply
    340,237.89x = 510,388.63 × 100,352.03
  4. Step 4: Simplify right side
    340,237.89x = 51,218,532,306.60
  5. Step 5: Solve for x
    x = 51,218,532,306.60/340,237.89
  6. Step 6: Final answer
    x = 150,537.41

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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.