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Finding the Fourth Proportional to 401,008.64, 601,512.97 and 134,769.17

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Solution

The fourth proportional to 401,008.64, 601,512.97 and 134,769.17 is: 202,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,008.64 : 601,512.97 = 134,769.17 : x
  2. Step 2: Convert to fraction form
    401,008.64/601,512.97 = 134,769.17/x
  3. Step 3: Cross multiply
    401,008.64x = 601,512.97 × 134,769.17
  4. Step 4: Simplify right side
    401,008.64x = 81,065,400,366.65
  5. Step 5: Solve for x
    x = 81,065,400,366.65/401,008.64
  6. Step 6: Final answer
    x = 202,153.75

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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.