Home / 290,025.43-400,237.83-162,703.76

Finding the Fourth Proportional to 290,025.43, 400,237.83 and 162,703.76

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Solution

The fourth proportional to 290,025.43, 400,237.83 and 162,703.76 is: 224,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,025.43 : 400,237.83 = 162,703.76 : x
  2. Step 2: Convert to fraction form
    290,025.43/400,237.83 = 162,703.76/x
  3. Step 3: Cross multiply
    290,025.43x = 400,237.83 × 162,703.76
  4. Step 4: Simplify right side
    290,025.43x = 65,120,197,020.53
  5. Step 5: Solve for x
    x = 65,120,197,020.53/290,025.43
  6. Step 6: Final answer
    x = 224,532.71

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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.