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Finding the Fourth Proportional to 227,031.93, 340,546.95 and 69,259.86

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Solution

The fourth proportional to 227,031.93, 340,546.95 and 69,259.86 is: 103,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,031.93 : 340,546.95 = 69,259.86 : x
  2. Step 2: Convert to fraction form
    227,031.93/340,546.95 = 69,259.86/x
  3. Step 3: Cross multiply
    227,031.93x = 340,546.95 × 69,259.86
  4. Step 4: Simplify right side
    227,031.93x = 23,586,234,080.43
  5. Step 5: Solve for x
    x = 23,586,234,080.43/227,031.93
  6. Step 6: Final answer
    x = 103,889.50

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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.