Home / 482,912.12-666,418.20-268,051.68

Finding the Fourth Proportional to 482,912.12, 666,418.20 and 268,051.68

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Solution

The fourth proportional to 482,912.12, 666,418.20 and 268,051.68 is: 369,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,912.12 : 666,418.20 = 268,051.68 : x
  2. Step 2: Convert to fraction form
    482,912.12/666,418.20 = 268,051.68/x
  3. Step 3: Cross multiply
    482,912.12x = 666,418.20 × 268,051.68
  4. Step 4: Simplify right side
    482,912.12x = 178,634,518,092.58
  5. Step 5: Solve for x
    x = 178,634,518,092.58/482,912.12
  6. Step 6: Final answer
    x = 369,911.03

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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.