Home / 231,983.40-347,975.10-161,999.40

Finding the Fourth Proportional to 231,983.40, 347,975.10 and 161,999.40

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Solution

The fourth proportional to 231,983.40, 347,975.10 and 161,999.40 is: 242,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,983.40 : 347,975.10 = 161,999.40 : x
  2. Step 2: Convert to fraction form
    231,983.40/347,975.10 = 161,999.40/x
  3. Step 3: Cross multiply
    231,983.40x = 347,975.10 × 161,999.40
  4. Step 4: Simplify right side
    231,983.40x = 56,371,757,414.94
  5. Step 5: Solve for x
    x = 56,371,757,414.94/231,983.40
  6. Step 6: Final answer
    x = 242,999.10

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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.