Home / 285,936.27-428,558.04-159,442.08

Finding the Fourth Proportional to 285,936.27, 428,558.04 and 159,442.08

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Solution

The fourth proportional to 285,936.27, 428,558.04 and 159,442.08 is: 238,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,936.27 : 428,558.04 = 159,442.08 : x
  2. Step 2: Convert to fraction form
    285,936.27/428,558.04 = 159,442.08/x
  3. Step 3: Cross multiply
    285,936.27x = 428,558.04 × 159,442.08
  4. Step 4: Simplify right side
    285,936.27x = 68,330,185,298.32
  5. Step 5: Solve for x
    x = 68,330,185,298.32/285,936.27
  6. Step 6: Final answer
    x = 238,969.98

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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.