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Finding the Fourth Proportional to 276,080.63, 414,218.14 and 135,937.67

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Solution

The fourth proportional to 276,080.63, 414,218.14 and 135,937.67 is: 203,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,080.63 : 414,218.14 = 135,937.67 : x
  2. Step 2: Convert to fraction form
    276,080.63/414,218.14 = 135,937.67/x
  3. Step 3: Cross multiply
    276,080.63x = 414,218.14 × 135,937.67
  4. Step 4: Simplify right side
    276,080.63x = 56,307,846,412.40
  5. Step 5: Solve for x
    x = 56,307,846,412.40/276,080.63
  6. Step 6: Final answer
    x = 203,954.36

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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.