Home / 272,848.28-376,480.66-151,986.56

Finding the Fourth Proportional to 272,848.28, 376,480.66 and 151,986.56

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Solution

The fourth proportional to 272,848.28, 376,480.66 and 151,986.56 is: 209,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,848.28 : 376,480.66 = 151,986.56 : x
  2. Step 2: Convert to fraction form
    272,848.28/376,480.66 = 151,986.56/x
  3. Step 3: Cross multiply
    272,848.28x = 376,480.66 × 151,986.56
  4. Step 4: Simplify right side
    272,848.28x = 57,220,000,419.93
  5. Step 5: Solve for x
    x = 57,220,000,419.93/272,848.28
  6. Step 6: Final answer
    x = 209,713.62

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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.