Home / 432,268.39-648,402.59-221,772.07

Finding the Fourth Proportional to 432,268.39, 648,402.59 and 221,772.07

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Solution

The fourth proportional to 432,268.39, 648,402.59 and 221,772.07 is: 332,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,268.39 : 648,402.59 = 221,772.07 : x
  2. Step 2: Convert to fraction form
    432,268.39/648,402.59 = 221,772.07/x
  3. Step 3: Cross multiply
    432,268.39x = 648,402.59 × 221,772.07
  4. Step 4: Simplify right side
    432,268.39x = 143,797,584,577.66
  5. Step 5: Solve for x
    x = 143,797,584,577.66/432,268.39
  6. Step 6: Final answer
    x = 332,658.11

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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.