Home / 654,124.60-981,158.91-204,835.51

Finding the Fourth Proportional to 654,124.60, 981,158.91 and 204,835.51

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Solution

The fourth proportional to 654,124.60, 981,158.91 and 204,835.51 is: 307,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,124.60 : 981,158.91 = 204,835.51 : x
  2. Step 2: Convert to fraction form
    654,124.60/981,158.91 = 204,835.51/x
  3. Step 3: Cross multiply
    654,124.60x = 981,158.91 × 204,835.51
  4. Step 4: Simplify right side
    654,124.60x = 200,976,185,720.89
  5. Step 5: Solve for x
    x = 200,976,185,720.89/654,124.60
  6. Step 6: Final answer
    x = 307,244.50

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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.