Home / 200,489.04-300,789-178,456.32

Finding the Fourth Proportional to 200,489.04, 300,789 and 178,456.32

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Solution

The fourth proportional to 200,489.04, 300,789 and 178,456.32 is: 267,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,489.04 : 300,789 = 178,456.32 : x
  2. Step 2: Convert to fraction form
    200,489.04/300,789 = 178,456.32/x
  3. Step 3: Cross multiply
    200,489.04x = 300,789 × 178,456.32
  4. Step 4: Simplify right side
    200,489.04x = 53,677,698,036.48
  5. Step 5: Solve for x
    x = 53,677,698,036.48/200,489.04
  6. Step 6: Final answer
    x = 267,733.83

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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.