Home / 286,349.18-395,359.56-178,967.48

Finding the Fourth Proportional to 286,349.18, 395,359.56 and 178,967.48

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Solution

The fourth proportional to 286,349.18, 395,359.56 and 178,967.48 is: 247,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,349.18 : 395,359.56 = 178,967.48 : x
  2. Step 2: Convert to fraction form
    286,349.18/395,359.56 = 178,967.48/x
  3. Step 3: Cross multiply
    286,349.18x = 395,359.56 × 178,967.48
  4. Step 4: Simplify right side
    286,349.18x = 70,756,504,147.11
  5. Step 5: Solve for x
    x = 70,756,504,147.11/286,349.18
  6. Step 6: Final answer
    x = 247,098.68

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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.