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Finding the Fourth Proportional to 654,267.58, 981,401.29 and 211,035.58

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Solution

The fourth proportional to 654,267.58, 981,401.29 and 211,035.58 is: 316,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,267.58 : 981,401.29 = 211,035.58 : x
  2. Step 2: Convert to fraction form
    654,267.58/981,401.29 = 211,035.58/x
  3. Step 3: Cross multiply
    654,267.58x = 981,401.29 × 211,035.58
  4. Step 4: Simplify right side
    654,267.58x = 207,110,590,447.90
  5. Step 5: Solve for x
    x = 207,110,590,447.90/654,267.58
  6. Step 6: Final answer
    x = 316,553.34

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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.