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Finding the Fourth Proportional to 273,077.49, 376,847.73 and 158,378.25

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Solution

The fourth proportional to 273,077.49, 376,847.73 and 158,378.25 is: 218,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,077.49 : 376,847.73 = 158,378.25 : x
  2. Step 2: Convert to fraction form
    273,077.49/376,847.73 = 158,378.25/x
  3. Step 3: Cross multiply
    273,077.49x = 376,847.73 × 158,378.25
  4. Step 4: Simplify right side
    273,077.49x = 59,684,483,993.87
  5. Step 5: Solve for x
    x = 59,684,483,993.87/273,077.49
  6. Step 6: Final answer
    x = 218,562.45

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1.5x scale

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.