Home / 273,984.58-378,091.02-153,126.28

Finding the Fourth Proportional to 273,984.58, 378,091.02 and 153,126.28

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Solution

The fourth proportional to 273,984.58, 378,091.02 and 153,126.28 is: 211,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,984.58 : 378,091.02 = 153,126.28 : x
  2. Step 2: Convert to fraction form
    273,984.58/378,091.02 = 153,126.28/x
  3. Step 3: Cross multiply
    273,984.58x = 378,091.02 × 153,126.28
  4. Step 4: Simplify right side
    273,984.58x = 57,895,671,394.01
  5. Step 5: Solve for x
    x = 57,895,671,394.01/273,984.58
  6. Step 6: Final answer
    x = 211,309.96

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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.