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Finding the Fourth Proportional to 273,887.06, 377,929.41 and 160,668.50

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Solution

The fourth proportional to 273,887.06, 377,929.41 and 160,668.50 is: 221,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,887.06 : 377,929.41 = 160,668.50 : x
  2. Step 2: Convert to fraction form
    273,887.06/377,929.41 = 160,668.50/x
  3. Step 3: Cross multiply
    273,887.06x = 377,929.41 × 160,668.50
  4. Step 4: Simplify right side
    273,887.06x = 60,721,351,410.59
  5. Step 5: Solve for x
    x = 60,721,351,410.59/273,887.06
  6. Step 6: Final answer
    x = 221,702.15

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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.