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Finding the Fourth Proportional to 227,468.30, 341,262.90 and 77,708.30

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Solution

The fourth proportional to 227,468.30, 341,262.90 and 77,708.30 is: 116,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,468.30 : 341,262.90 = 77,708.30 : x
  2. Step 2: Convert to fraction form
    227,468.30/341,262.90 = 77,708.30/x
  3. Step 3: Cross multiply
    227,468.30x = 341,262.90 × 77,708.30
  4. Step 4: Simplify right side
    227,468.30x = 26,518,958,105.76
  5. Step 5: Solve for x
    x = 26,518,958,105.76/227,468.30
  6. Step 6: Final answer
    x = 116,583.10

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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.