Home / 272,986.72-376,577.76-187,956.16

Finding the Fourth Proportional to 272,986.72, 376,577.76 and 187,956.16

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Solution

The fourth proportional to 272,986.72, 376,577.76 and 187,956.16 is: 259,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,986.72 : 376,577.76 = 187,956.16 : x
  2. Step 2: Convert to fraction form
    272,986.72/376,577.76 = 187,956.16/x
  3. Step 3: Cross multiply
    272,986.72x = 376,577.76 × 187,956.16
  4. Step 4: Simplify right side
    272,986.72x = 70,780,109,711.00
  5. Step 5: Solve for x
    x = 70,780,109,711.00/272,986.72
  6. Step 6: Final answer
    x = 259,280.41

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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.