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Finding the Fourth Proportional to 230,959.01, 346,448.23 and 112,729.79

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Solution

The fourth proportional to 230,959.01, 346,448.23 and 112,729.79 is: 169,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,959.01 : 346,448.23 = 112,729.79 : x
  2. Step 2: Convert to fraction form
    230,959.01/346,448.23 = 112,729.79/x
  3. Step 3: Cross multiply
    230,959.01x = 346,448.23 × 112,729.79
  4. Step 4: Simplify right side
    230,959.01x = 39,055,036,798.07
  5. Step 5: Solve for x
    x = 39,055,036,798.07/230,959.01
  6. Step 6: Final answer
    x = 169,099.43

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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.