Home / 290,147.54-400,432.38-162,823.64

Finding the Fourth Proportional to 290,147.54, 400,432.38 and 162,823.64

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Solution

The fourth proportional to 290,147.54, 400,432.38 and 162,823.64 is: 224,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,147.54 : 400,432.38 = 162,823.64 : x
  2. Step 2: Convert to fraction form
    290,147.54/400,432.38 = 162,823.64/x
  3. Step 3: Cross multiply
    290,147.54x = 400,432.38 × 162,823.64
  4. Step 4: Simplify right side
    290,147.54x = 65,199,857,685.46
  5. Step 5: Solve for x
    x = 65,199,857,685.46/290,147.54
  6. Step 6: Final answer
    x = 224,712.77

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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.