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Finding the Fourth Proportional to 273,898.35, 377,981.58 and 153,044.73

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Solution

The fourth proportional to 273,898.35, 377,981.58 and 153,044.73 is: 211,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,898.35 : 377,981.58 = 153,044.73 : x
  2. Step 2: Convert to fraction form
    273,898.35/377,981.58 = 153,044.73/x
  3. Step 3: Cross multiply
    273,898.35x = 377,981.58 × 153,044.73
  4. Step 4: Simplify right side
    273,898.35x = 57,848,088,856.07
  5. Step 5: Solve for x
    x = 57,848,088,856.07/273,898.35
  6. Step 6: Final answer
    x = 211,202.77

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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.