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Finding the Fourth Proportional to 150,376.66, 225,549.10 and 79,270.81

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Solution

The fourth proportional to 150,376.66, 225,549.10 and 79,270.81 is: 118,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,376.66 : 225,549.10 = 79,270.81 : x
  2. Step 2: Convert to fraction form
    150,376.66/225,549.10 = 79,270.81/x
  3. Step 3: Cross multiply
    150,376.66x = 225,549.10 × 79,270.81
  4. Step 4: Simplify right side
    150,376.66x = 17,879,459,786.90
  5. Step 5: Solve for x
    x = 17,879,459,786.90/150,376.66
  6. Step 6: Final answer
    x = 118,897.84

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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.