Home / 432,281.12-648,407.84-195,623.79

Finding the Fourth Proportional to 432,281.12, 648,407.84 and 195,623.79

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Solution

The fourth proportional to 432,281.12, 648,407.84 and 195,623.79 is: 293,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,281.12 : 648,407.84 = 195,623.79 : x
  2. Step 2: Convert to fraction form
    432,281.12/648,407.84 = 195,623.79/x
  3. Step 3: Cross multiply
    432,281.12x = 648,407.84 × 195,623.79
  4. Step 4: Simplify right side
    432,281.12x = 126,843,995,716.87
  5. Step 5: Solve for x
    x = 126,843,995,716.87/432,281.12
  6. Step 6: Final answer
    x = 293,429.42

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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.