Home / 319,045.46-440,279.06-181,223.43

Finding the Fourth Proportional to 319,045.46, 440,279.06 and 181,223.43

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Solution

The fourth proportional to 319,045.46, 440,279.06 and 181,223.43 is: 250,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,045.46 : 440,279.06 = 181,223.43 : x
  2. Step 2: Convert to fraction form
    319,045.46/440,279.06 = 181,223.43/x
  3. Step 3: Cross multiply
    319,045.46x = 440,279.06 × 181,223.43
  4. Step 4: Simplify right side
    319,045.46x = 79,788,880,504.26
  5. Step 5: Solve for x
    x = 79,788,880,504.26/319,045.46
  6. Step 6: Final answer
    x = 250,086.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.