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Finding the Fourth Proportional to 301,993.07, 452,989.68 and 88,761

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Solution

The fourth proportional to 301,993.07, 452,989.68 and 88,761 is: 133,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,993.07 : 452,989.68 = 88,761 : x
  2. Step 2: Convert to fraction form
    301,993.07/452,989.68 = 88,761/x
  3. Step 3: Cross multiply
    301,993.07x = 452,989.68 × 88,761
  4. Step 4: Simplify right side
    301,993.07x = 40,207,816,986.48
  5. Step 5: Solve for x
    x = 40,207,816,986.48/301,993.07
  6. Step 6: Final answer
    x = 133,141.52

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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.