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Finding the Fourth Proportional to 273,999.84, 378,122.40 and 160,824.48

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Solution

The fourth proportional to 273,999.84, 378,122.40 and 160,824.48 is: 221,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,999.84 : 378,122.40 = 160,824.48 : x
  2. Step 2: Convert to fraction form
    273,999.84/378,122.40 = 160,824.48/x
  3. Step 3: Cross multiply
    273,999.84x = 378,122.40 × 160,824.48
  4. Step 4: Simplify right side
    273,999.84x = 60,811,338,356.35
  5. Step 5: Solve for x
    x = 60,811,338,356.35/273,999.84
  6. Step 6: Final answer
    x = 221,939.32

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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.