Home / 290,010.56-400,232.96-162,694.40

Finding the Fourth Proportional to 290,010.56, 400,232.96 and 162,694.40

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Solution

The fourth proportional to 290,010.56, 400,232.96 and 162,694.40 is: 224,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,010.56 : 400,232.96 = 162,694.40 : x
  2. Step 2: Convert to fraction form
    290,010.56/400,232.96 = 162,694.40/x
  3. Step 3: Cross multiply
    290,010.56x = 400,232.96 × 162,694.40
  4. Step 4: Simplify right side
    290,010.56x = 65,115,661,287.42
  5. Step 5: Solve for x
    x = 65,115,661,287.42/290,010.56
  6. Step 6: Final answer
    x = 224,528.59

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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.