Home / 290,037.22-400,245.33-160,968.20

Finding the Fourth Proportional to 290,037.22, 400,245.33 and 160,968.20

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Solution

The fourth proportional to 290,037.22, 400,245.33 and 160,968.20 is: 222,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,037.22 : 400,245.33 = 160,968.20 : x
  2. Step 2: Convert to fraction form
    290,037.22/400,245.33 = 160,968.20/x
  3. Step 3: Cross multiply
    290,037.22x = 400,245.33 × 160,968.20
  4. Step 4: Simplify right side
    290,037.22x = 64,426,770,328.51
  5. Step 5: Solve for x
    x = 64,426,770,328.51/290,037.22
  6. Step 6: Final answer
    x = 222,132.77

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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.