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Finding the Fourth Proportional to 150,392.66, 225,682.59 and 136,378.08

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Solution

The fourth proportional to 150,392.66, 225,682.59 and 136,378.08 is: 204,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,392.66 : 225,682.59 = 136,378.08 : x
  2. Step 2: Convert to fraction form
    150,392.66/225,682.59 = 136,378.08/x
  3. Step 3: Cross multiply
    150,392.66x = 225,682.59 × 136,378.08
  4. Step 4: Simplify right side
    150,392.66x = 30,778,158,313.63
  5. Step 5: Solve for x
    x = 30,778,158,313.63/150,392.66
  6. Step 6: Final answer
    x = 204,652.00

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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.