Home / 272,121.85-375,532.67-149,619.41

Finding the Fourth Proportional to 272,121.85, 375,532.67 and 149,619.41

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Solution

The fourth proportional to 272,121.85, 375,532.67 and 149,619.41 is: 206,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,121.85 : 375,532.67 = 149,619.41 : x
  2. Step 2: Convert to fraction form
    272,121.85/375,532.67 = 149,619.41/x
  3. Step 3: Cross multiply
    272,121.85x = 375,532.67 × 149,619.41
  4. Step 4: Simplify right side
    272,121.85x = 56,186,975,017.51
  5. Step 5: Solve for x
    x = 56,186,975,017.51/272,121.85
  6. Step 6: Final answer
    x = 206,477.27

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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.