Home / 221,787.86-305,748.57-158,014.94

Finding the Fourth Proportional to 221,787.86, 305,748.57 and 158,014.94

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Solution

The fourth proportional to 221,787.86, 305,748.57 and 158,014.94 is: 217,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,787.86 : 305,748.57 = 158,014.94 : x
  2. Step 2: Convert to fraction form
    221,787.86/305,748.57 = 158,014.94/x
  3. Step 3: Cross multiply
    221,787.86x = 305,748.57 × 158,014.94
  4. Step 4: Simplify right side
    221,787.86x = 48,312,839,624.82
  5. Step 5: Solve for x
    x = 48,312,839,624.82/221,787.86
  6. Step 6: Final answer
    x = 217,833.57

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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.