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Finding the Fourth Proportional to 276,009.63, 414,014.41 and 89,021.13

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Solution

The fourth proportional to 276,009.63, 414,014.41 and 89,021.13 is: 133,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,009.63 : 414,014.41 = 89,021.13 : x
  2. Step 2: Convert to fraction form
    276,009.63/414,014.41 = 89,021.13/x
  3. Step 3: Cross multiply
    276,009.63x = 414,014.41 × 89,021.13
  4. Step 4: Simplify right side
    276,009.63x = 36,856,030,169.38
  5. Step 5: Solve for x
    x = 36,856,030,169.38/276,009.63
  6. Step 6: Final answer
    x = 133,531.68

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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.