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Finding the Fourth Proportional to 319,694.02, 479,536.83 and 91,995.58

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Solution

The fourth proportional to 319,694.02, 479,536.83 and 91,995.58 is: 137,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,694.02 : 479,536.83 = 91,995.58 : x
  2. Step 2: Convert to fraction form
    319,694.02/479,536.83 = 91,995.58/x
  3. Step 3: Cross multiply
    319,694.02x = 479,536.83 × 91,995.58
  4. Step 4: Simplify right side
    319,694.02x = 44,115,268,807.21
  5. Step 5: Solve for x
    x = 44,115,268,807.21/319,694.02
  6. Step 6: Final answer
    x = 137,992.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.