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Finding the Fourth Proportional to 311,630.17, 467,076.19 and 143,008.37

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Solution

The fourth proportional to 311,630.17, 467,076.19 and 143,008.37 is: 214,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,630.17 : 467,076.19 = 143,008.37 : x
  2. Step 2: Convert to fraction form
    311,630.17/467,076.19 = 143,008.37/x
  3. Step 3: Cross multiply
    311,630.17x = 467,076.19 × 143,008.37
  4. Step 4: Simplify right side
    311,630.17x = 66,795,804,597.71
  5. Step 5: Solve for x
    x = 66,795,804,597.71/311,630.17
  6. Step 6: Final answer
    x = 214,343.19

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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.