Home / 273,945.43-378,052.76-153,087.00

Finding the Fourth Proportional to 273,945.43, 378,052.76 and 153,087.00

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Solution

The fourth proportional to 273,945.43, 378,052.76 and 153,087.00 is: 211,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,945.43 : 378,052.76 = 153,087.00 : x
  2. Step 2: Convert to fraction form
    273,945.43/378,052.76 = 153,087.00/x
  3. Step 3: Cross multiply
    273,945.43x = 378,052.76 × 153,087.00
  4. Step 4: Simplify right side
    273,945.43x = 57,874,961,924.99
  5. Step 5: Solve for x
    x = 57,874,961,924.99/273,945.43
  6. Step 6: Final answer
    x = 211,264.57

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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.