Home / 272,798.11-376,473.04-151,939.43

Finding the Fourth Proportional to 272,798.11, 376,473.04 and 151,939.43

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Solution

The fourth proportional to 272,798.11, 376,473.04 and 151,939.43 is: 209,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,798.11 : 376,473.04 = 151,939.43 : x
  2. Step 2: Convert to fraction form
    272,798.11/376,473.04 = 151,939.43/x
  3. Step 3: Cross multiply
    272,798.11x = 376,473.04 × 151,939.43
  4. Step 4: Simplify right side
    272,798.11x = 57,201,096,845.75
  5. Step 5: Solve for x
    x = 57,201,096,845.75/272,798.11
  6. Step 6: Final answer
    x = 209,682.89

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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.