Home / 207,681.13-311,521.66-49,909.58

Finding the Fourth Proportional to 207,681.13, 311,521.66 and 49,909.58

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Solution

The fourth proportional to 207,681.13, 311,521.66 and 49,909.58 is: 74,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,681.13 : 311,521.66 = 49,909.58 : x
  2. Step 2: Convert to fraction form
    207,681.13/311,521.66 = 49,909.58/x
  3. Step 3: Cross multiply
    207,681.13x = 311,521.66 × 49,909.58
  4. Step 4: Simplify right side
    207,681.13x = 15,547,914,634.94
  5. Step 5: Solve for x
    x = 15,547,914,634.94/207,681.13
  6. Step 6: Final answer
    x = 74,864.36

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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.