Home / 290,240.28-400,528.26-162,912.60

Finding the Fourth Proportional to 290,240.28, 400,528.26 and 162,912.60

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Solution

The fourth proportional to 290,240.28, 400,528.26 and 162,912.60 is: 224,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,240.28 : 400,528.26 = 162,912.60 : x
  2. Step 2: Convert to fraction form
    290,240.28/400,528.26 = 162,912.60/x
  3. Step 3: Cross multiply
    290,240.28x = 400,528.26 × 162,912.60
  4. Step 4: Simplify right side
    290,240.28x = 65,251,100,210.08
  5. Step 5: Solve for x
    x = 65,251,100,210.08/290,240.28
  6. Step 6: Final answer
    x = 224,817.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.