Home / 272,428.26-375,738-176,965.74

Finding the Fourth Proportional to 272,428.26, 375,738 and 176,965.74

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Solution

The fourth proportional to 272,428.26, 375,738 and 176,965.74 is: 244,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,428.26 : 375,738 = 176,965.74 : x
  2. Step 2: Convert to fraction form
    272,428.26/375,738 = 176,965.74/x
  3. Step 3: Cross multiply
    272,428.26x = 375,738 × 176,965.74
  4. Step 4: Simplify right side
    272,428.26x = 66,492,753,216.12
  5. Step 5: Solve for x
    x = 66,492,753,216.12/272,428.26
  6. Step 6: Final answer
    x = 244,074.36

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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.