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Finding the Fourth Proportional to 301,845.61, 452,833.75 and 91,499.41

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Solution

The fourth proportional to 301,845.61, 452,833.75 and 91,499.41 is: 137,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,845.61 : 452,833.75 = 91,499.41 : x
  2. Step 2: Convert to fraction form
    301,845.61/452,833.75 = 91,499.41/x
  3. Step 3: Cross multiply
    301,845.61x = 452,833.75 × 91,499.41
  4. Step 4: Simplify right side
    301,845.61x = 41,434,018,688.92
  5. Step 5: Solve for x
    x = 41,434,018,688.92/301,845.61
  6. Step 6: Final answer
    x = 137,268.91

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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.