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Finding the Fourth Proportional to 340,360.40, 510,540.60 and 103,672.33

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Solution

The fourth proportional to 340,360.40, 510,540.60 and 103,672.33 is: 155,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,360.40 : 510,540.60 = 103,672.33 : x
  2. Step 2: Convert to fraction form
    340,360.40/510,540.60 = 103,672.33/x
  3. Step 3: Cross multiply
    340,360.40x = 510,540.60 × 103,672.33
  4. Step 4: Simplify right side
    340,360.40x = 52,928,933,561.60
  5. Step 5: Solve for x
    x = 52,928,933,561.60/340,360.40
  6. Step 6: Final answer
    x = 155,508.50

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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.