Home / 272,193.72-375,668.18-195,965.12

Finding the Fourth Proportional to 272,193.72, 375,668.18 and 195,965.12

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Solution

The fourth proportional to 272,193.72, 375,668.18 and 195,965.12 is: 270,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,193.72 : 375,668.18 = 195,965.12 : x
  2. Step 2: Convert to fraction form
    272,193.72/375,668.18 = 195,965.12/x
  3. Step 3: Cross multiply
    272,193.72x = 375,668.18 × 195,965.12
  4. Step 4: Simplify right side
    272,193.72x = 73,617,860,668.10
  5. Step 5: Solve for x
    x = 73,617,860,668.10/272,193.72
  6. Step 6: Final answer
    x = 270,461.28

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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.