Home / 432,440.06-648,722.06-132,945.71

Finding the Fourth Proportional to 432,440.06, 648,722.06 and 132,945.71

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Solution

The fourth proportional to 432,440.06, 648,722.06 and 132,945.71 is: 199,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,440.06 : 648,722.06 = 132,945.71 : x
  2. Step 2: Convert to fraction form
    432,440.06/648,722.06 = 132,945.71/x
  3. Step 3: Cross multiply
    432,440.06x = 648,722.06 × 132,945.71
  4. Step 4: Simplify right side
    432,440.06x = 86,244,814,194.63
  5. Step 5: Solve for x
    x = 86,244,814,194.63/432,440.06
  6. Step 6: Final answer
    x = 199,437.61

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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.