Home / 720,148.41-1,080,222.98-187,668.09

Finding the Fourth Proportional to 720,148.41, 1,080,222.98 and 187,668.09

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Solution

The fourth proportional to 720,148.41, 1,080,222.98 and 187,668.09 is: 281,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,148.41 : 1,080,222.98 = 187,668.09 : x
  2. Step 2: Convert to fraction form
    720,148.41/1,080,222.98 = 187,668.09/x
  3. Step 3: Cross multiply
    720,148.41x = 1,080,222.98 × 187,668.09
  4. Step 4: Simplify right side
    720,148.41x = 202,723,382,492.37
  5. Step 5: Solve for x
    x = 202,723,382,492.37/720,148.41
  6. Step 6: Final answer
    x = 281,502.23

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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.