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Finding the Fourth Proportional to 400,873.96, 601,360.41 and 130,995.73

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Solution

The fourth proportional to 400,873.96, 601,360.41 and 130,995.73 is: 196,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,873.96 : 601,360.41 = 130,995.73 : x
  2. Step 2: Convert to fraction form
    400,873.96/601,360.41 = 130,995.73/x
  3. Step 3: Cross multiply
    400,873.96x = 601,360.41 × 130,995.73
  4. Step 4: Simplify right side
    400,873.96x = 78,775,645,901.05
  5. Step 5: Solve for x
    x = 78,775,645,901.05/400,873.96
  6. Step 6: Final answer
    x = 196,509.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.