Home / 207,828.10-311,742.15-148,536.10

Finding the Fourth Proportional to 207,828.10, 311,742.15 and 148,536.10

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Solution

The fourth proportional to 207,828.10, 311,742.15 and 148,536.10 is: 222,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,828.10 : 311,742.15 = 148,536.10 : x
  2. Step 2: Convert to fraction form
    207,828.10/311,742.15 = 148,536.10/x
  3. Step 3: Cross multiply
    207,828.10x = 311,742.15 × 148,536.10
  4. Step 4: Simplify right side
    207,828.10x = 46,304,963,166.62
  5. Step 5: Solve for x
    x = 46,304,963,166.62/207,828.10
  6. Step 6: Final answer
    x = 222,804.15

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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.