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Finding the Fourth Proportional to 150,218.88, 225,247.44 and 60,216.40

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Solution

The fourth proportional to 150,218.88, 225,247.44 and 60,216.40 is: 90,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,218.88 : 225,247.44 = 60,216.40 : x
  2. Step 2: Convert to fraction form
    150,218.88/225,247.44 = 60,216.40/x
  3. Step 3: Cross multiply
    150,218.88x = 225,247.44 × 60,216.40
  4. Step 4: Simplify right side
    150,218.88x = 13,563,589,946.02
  5. Step 5: Solve for x
    x = 13,563,589,946.02/150,218.88
  6. Step 6: Final answer
    x = 90,292.18

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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.