Home / 231,477.40-347,331.30-91,240.60

Finding the Fourth Proportional to 231,477.40, 347,331.30 and 91,240.60

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Solution

The fourth proportional to 231,477.40, 347,331.30 and 91,240.60 is: 136,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,477.40 : 347,331.30 = 91,240.60 : x
  2. Step 2: Convert to fraction form
    231,477.40/347,331.30 = 91,240.60/x
  3. Step 3: Cross multiply
    231,477.40x = 347,331.30 × 91,240.60
  4. Step 4: Simplify right side
    231,477.40x = 31,690,716,210.78
  5. Step 5: Solve for x
    x = 31,690,716,210.78/231,477.40
  6. Step 6: Final answer
    x = 136,906.31

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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.