Home / 432,550.16-648,843.10-148,436

Finding the Fourth Proportional to 432,550.16, 648,843.10 and 148,436

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Solution

The fourth proportional to 432,550.16, 648,843.10 and 148,436 is: 222,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,550.16 : 648,843.10 = 148,436 : x
  2. Step 2: Convert to fraction form
    432,550.16/648,843.10 = 148,436/x
  3. Step 3: Cross multiply
    432,550.16x = 648,843.10 × 148,436
  4. Step 4: Simplify right side
    432,550.16x = 96,311,674,391.60
  5. Step 5: Solve for x
    x = 96,311,674,391.60/432,550.16
  6. Step 6: Final answer
    x = 222,660.13

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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.