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Finding the Fourth Proportional to 302,479.41, 453,684.55 and 80,880.69

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Solution

The fourth proportional to 302,479.41, 453,684.55 and 80,880.69 is: 121,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,479.41 : 453,684.55 = 80,880.69 : x
  2. Step 2: Convert to fraction form
    302,479.41/453,684.55 = 80,880.69/x
  3. Step 3: Cross multiply
    302,479.41x = 453,684.55 × 80,880.69
  4. Step 4: Simplify right side
    302,479.41x = 36,694,316,773.51
  5. Step 5: Solve for x
    x = 36,694,316,773.51/302,479.41
  6. Step 6: Final answer
    x = 121,311.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.