Home / 272,172.67-375,577-151,306.59

Finding the Fourth Proportional to 272,172.67, 375,577 and 151,306.59

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Solution

The fourth proportional to 272,172.67, 375,577 and 151,306.59 is: 208,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,172.67 : 375,577 = 151,306.59 : x
  2. Step 2: Convert to fraction form
    272,172.67/375,577 = 151,306.59/x
  3. Step 3: Cross multiply
    272,172.67x = 375,577 × 151,306.59
  4. Step 4: Simplify right side
    272,172.67x = 56,827,275,152.43
  5. Step 5: Solve for x
    x = 56,827,275,152.43/272,172.67
  6. Step 6: Final answer
    x = 208,791.26

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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.