Home / 272,901.79-376,349.03-215,677.82

Finding the Fourth Proportional to 272,901.79, 376,349.03 and 215,677.82

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Solution

The fourth proportional to 272,901.79, 376,349.03 and 215,677.82 is: 297,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,901.79 : 376,349.03 = 215,677.82 : x
  2. Step 2: Convert to fraction form
    272,901.79/376,349.03 = 215,677.82/x
  3. Step 3: Cross multiply
    272,901.79x = 376,349.03 × 215,677.82
  4. Step 4: Simplify right side
    272,901.79x = 81,170,138,315.14
  5. Step 5: Solve for x
    x = 81,170,138,315.14/272,901.79
  6. Step 6: Final answer
    x = 297,433.51

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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.