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Finding the Fourth Proportional to 301,559.76, 452,327.49 and 76,925.70

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Solution

The fourth proportional to 301,559.76, 452,327.49 and 76,925.70 is: 115,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,559.76 : 452,327.49 = 76,925.70 : x
  2. Step 2: Convert to fraction form
    301,559.76/452,327.49 = 76,925.70/x
  3. Step 3: Cross multiply
    301,559.76x = 452,327.49 × 76,925.70
  4. Step 4: Simplify right side
    301,559.76x = 34,795,608,797.49
  5. Step 5: Solve for x
    x = 34,795,608,797.49/301,559.76
  6. Step 6: Final answer
    x = 115,385.45

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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.