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Finding the Fourth Proportional to 273,774.47, 377,806.98 and 152,914.70

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Solution

The fourth proportional to 273,774.47, 377,806.98 and 152,914.70 is: 211,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,774.47 : 377,806.98 = 152,914.70 : x
  2. Step 2: Convert to fraction form
    273,774.47/377,806.98 = 152,914.70/x
  3. Step 3: Cross multiply
    273,774.47x = 377,806.98 × 152,914.70
  4. Step 4: Simplify right side
    273,774.47x = 57,772,240,928.68
  5. Step 5: Solve for x
    x = 57,772,240,928.68/273,774.47
  6. Step 6: Final answer
    x = 211,021.29

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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.