Home / 207,727.36-311,547.28-74,615.20

Finding the Fourth Proportional to 207,727.36, 311,547.28 and 74,615.20

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Solution

The fourth proportional to 207,727.36, 311,547.28 and 74,615.20 is: 111,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,727.36 : 311,547.28 = 74,615.20 : x
  2. Step 2: Convert to fraction form
    207,727.36/311,547.28 = 74,615.20/x
  3. Step 3: Cross multiply
    207,727.36x = 311,547.28 × 74,615.20
  4. Step 4: Simplify right side
    207,727.36x = 23,246,162,606.66
  5. Step 5: Solve for x
    x = 23,246,162,606.66/207,727.36
  6. Step 6: Final answer
    x = 111,907.08

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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.