Home / 207,655.30-311,828.55-114,228.10

Finding the Fourth Proportional to 207,655.30, 311,828.55 and 114,228.10

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Solution

The fourth proportional to 207,655.30, 311,828.55 and 114,228.10 is: 171,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,655.30 : 311,828.55 = 114,228.10 : x
  2. Step 2: Convert to fraction form
    207,655.30/311,828.55 = 114,228.10/x
  3. Step 3: Cross multiply
    207,655.30x = 311,828.55 × 114,228.10
  4. Step 4: Simplify right side
    207,655.30x = 35,619,582,792.26
  5. Step 5: Solve for x
    x = 35,619,582,792.26/207,655.30
  6. Step 6: Final answer
    x = 171,532.26

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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.