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Finding the Fourth Proportional to 273,541.76, 377,550.62 and 160,400.96

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Solution

The fourth proportional to 273,541.76, 377,550.62 and 160,400.96 is: 221,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,541.76 : 377,550.62 = 160,400.96 : x
  2. Step 2: Convert to fraction form
    273,541.76/377,550.62 = 160,400.96/x
  3. Step 3: Cross multiply
    273,541.76x = 377,550.62 × 160,400.96
  4. Step 4: Simplify right side
    273,541.76x = 60,559,479,206.84
  5. Step 5: Solve for x
    x = 60,559,479,206.84/273,541.76
  6. Step 6: Final answer
    x = 221,390.26

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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.