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Finding the Fourth Proportional to 289,900.64, 400,080.32 and 162,583.52

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Solution

The fourth proportional to 289,900.64, 400,080.32 and 162,583.52 is: 224,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,900.64 : 400,080.32 = 162,583.52 : x
  2. Step 2: Convert to fraction form
    289,900.64/400,080.32 = 162,583.52/x
  3. Step 3: Cross multiply
    289,900.64x = 400,080.32 × 162,583.52
  4. Step 4: Simplify right side
    289,900.64x = 65,046,466,708.33
  5. Step 5: Solve for x
    x = 65,046,466,708.33/289,900.64
  6. Step 6: Final answer
    x = 224,375.04

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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.