Home / 309,100.20-463,688.52-109,380.60

Finding the Fourth Proportional to 309,100.20, 463,688.52 and 109,380.60

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Solution

The fourth proportional to 309,100.20, 463,688.52 and 109,380.60 is: 164,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,100.20 : 463,688.52 = 109,380.60 : x
  2. Step 2: Convert to fraction form
    309,100.20/463,688.52 = 109,380.60/x
  3. Step 3: Cross multiply
    309,100.20x = 463,688.52 × 109,380.60
  4. Step 4: Simplify right side
    309,100.20x = 50,718,528,530.71
  5. Step 5: Solve for x
    x = 50,718,528,530.71/309,100.20
  6. Step 6: Final answer
    x = 164,084.42

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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.