Home / 654,250.20-981,374.08-205,005.48

Finding the Fourth Proportional to 654,250.20, 981,374.08 and 205,005.48

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Solution

The fourth proportional to 654,250.20, 981,374.08 and 205,005.48 is: 307,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,250.20 : 981,374.08 = 205,005.48 : x
  2. Step 2: Convert to fraction form
    654,250.20/981,374.08 = 205,005.48/x
  3. Step 3: Cross multiply
    654,250.20x = 981,374.08 × 205,005.48
  4. Step 4: Simplify right side
    654,250.20x = 201,187,064,329.96
  5. Step 5: Solve for x
    x = 201,187,064,329.96/654,250.20
  6. Step 6: Final answer
    x = 307,507.84

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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.