Home / 432,279.40-648,111.90-195,735.40

Finding the Fourth Proportional to 432,279.40, 648,111.90 and 195,735.40

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Solution

The fourth proportional to 432,279.40, 648,111.90 and 195,735.40 is: 293,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,279.40 : 648,111.90 = 195,735.40 : x
  2. Step 2: Convert to fraction form
    432,279.40/648,111.90 = 195,735.40/x
  3. Step 3: Cross multiply
    432,279.40x = 648,111.90 × 195,735.40
  4. Step 4: Simplify right side
    432,279.40x = 126,858,441,991.26
  5. Step 5: Solve for x
    x = 126,858,441,991.26/432,279.40
  6. Step 6: Final answer
    x = 293,464.00

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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.