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Finding the Fourth Proportional to 321,888.60, 482,832.90 and 134,880.60

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Solution

The fourth proportional to 321,888.60, 482,832.90 and 134,880.60 is: 202,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,888.60 : 482,832.90 = 134,880.60 : x
  2. Step 2: Convert to fraction form
    321,888.60/482,832.90 = 134,880.60/x
  3. Step 3: Cross multiply
    321,888.60x = 482,832.90 × 134,880.60
  4. Step 4: Simplify right side
    321,888.60x = 65,124,791,251.74
  5. Step 5: Solve for x
    x = 65,124,791,251.74/321,888.60
  6. Step 6: Final answer
    x = 202,320.90

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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.