Home / 309,918.80-464,435.40-176,517.20

Finding the Fourth Proportional to 309,918.80, 464,435.40 and 176,517.20

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Solution

The fourth proportional to 309,918.80, 464,435.40 and 176,517.20 is: 264,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,918.80 : 464,435.40 = 176,517.20 : x
  2. Step 2: Convert to fraction form
    309,918.80/464,435.40 = 176,517.20/x
  3. Step 3: Cross multiply
    309,918.80x = 464,435.40 × 176,517.20
  4. Step 4: Simplify right side
    309,918.80x = 81,980,836,388.88
  5. Step 5: Solve for x
    x = 81,980,836,388.88/309,918.80
  6. Step 6: Final answer
    x = 264,523.60

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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.