Home / 210,275.27-313,803.75-187,836.65

Finding the Fourth Proportional to 210,275.27, 313,803.75 and 187,836.65

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Solution

The fourth proportional to 210,275.27, 313,803.75 and 187,836.65 is: 280,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,275.27 : 313,803.75 = 187,836.65 : x
  2. Step 2: Convert to fraction form
    210,275.27/313,803.75 = 187,836.65/x
  3. Step 3: Cross multiply
    210,275.27x = 313,803.75 × 187,836.65
  4. Step 4: Simplify right side
    210,275.27x = 58,943,843,002.13
  5. Step 5: Solve for x
    x = 58,943,843,002.13/210,275.27
  6. Step 6: Final answer
    x = 280,317.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.