Home / 432,466.09-648,761.13-132,971.83

Finding the Fourth Proportional to 432,466.09, 648,761.13 and 132,971.83

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Solution

The fourth proportional to 432,466.09, 648,761.13 and 132,971.83 is: 199,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,466.09 : 648,761.13 = 132,971.83 : x
  2. Step 2: Convert to fraction form
    432,466.09/648,761.13 = 132,971.83/x
  3. Step 3: Cross multiply
    432,466.09x = 648,761.13 × 132,971.83
  4. Step 4: Simplify right side
    432,466.09x = 86,266,953,067.07
  5. Step 5: Solve for x
    x = 86,266,953,067.07/432,466.09
  6. Step 6: Final answer
    x = 199,476.80

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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.