Home / 465,837.89-642,841.29-261,897.38

Finding the Fourth Proportional to 465,837.89, 642,841.29 and 261,897.38

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Solution

The fourth proportional to 465,837.89, 642,841.29 and 261,897.38 is: 361,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,837.89 : 642,841.29 = 261,897.38 : x
  2. Step 2: Convert to fraction form
    465,837.89/642,841.29 = 261,897.38/x
  3. Step 3: Cross multiply
    465,837.89x = 642,841.29 × 261,897.38
  4. Step 4: Simplify right side
    465,837.89x = 168,358,446,392.61
  5. Step 5: Solve for x
    x = 168,358,446,392.61/465,837.89
  6. Step 6: Final answer
    x = 361,409.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.