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Finding the Fourth Proportional to 360,815.71, 541,437.37 and 201,025.39

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Solution

The fourth proportional to 360,815.71, 541,437.37 and 201,025.39 is: 301,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,815.71 : 541,437.37 = 201,025.39 : x
  2. Step 2: Convert to fraction form
    360,815.71/541,437.37 = 201,025.39/x
  3. Step 3: Cross multiply
    360,815.71x = 541,437.37 × 201,025.39
  4. Step 4: Simplify right side
    360,815.71x = 108,842,655,255.07
  5. Step 5: Solve for x
    x = 108,842,655,255.07/360,815.71
  6. Step 6: Final answer
    x = 301,657.20

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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.