Home / 296,821.80-409,675.98-272,910.60

Finding the Fourth Proportional to 296,821.80, 409,675.98 and 272,910.60

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Solution

The fourth proportional to 296,821.80, 409,675.98 and 272,910.60 is: 376,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,821.80 : 409,675.98 = 272,910.60 : x
  2. Step 2: Convert to fraction form
    296,821.80/409,675.98 = 272,910.60/x
  3. Step 3: Cross multiply
    296,821.80x = 409,675.98 × 272,910.60
  4. Step 4: Simplify right side
    296,821.80x = 111,804,917,507.39
  5. Step 5: Solve for x
    x = 111,804,917,507.39/296,821.80
  6. Step 6: Final answer
    x = 376,673.54

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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.