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Finding the Fourth Proportional to 340,440.88, 510,375.44 and 148,171.72

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Solution

The fourth proportional to 340,440.88, 510,375.44 and 148,171.72 is: 222,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,440.88 : 510,375.44 = 148,171.72 : x
  2. Step 2: Convert to fraction form
    340,440.88/510,375.44 = 148,171.72/x
  3. Step 3: Cross multiply
    340,440.88x = 510,375.44 × 148,171.72
  4. Step 4: Simplify right side
    340,440.88x = 75,623,206,790.56
  5. Step 5: Solve for x
    x = 75,623,206,790.56/340,440.88
  6. Step 6: Final answer
    x = 222,133.16

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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.