Home / 205,395.33-308,112.57-55,637.22

Finding the Fourth Proportional to 205,395.33, 308,112.57 and 55,637.22

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Solution

The fourth proportional to 205,395.33, 308,112.57 and 55,637.22 is: 83,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,395.33 : 308,112.57 = 55,637.22 : x
  2. Step 2: Convert to fraction form
    205,395.33/308,112.57 = 55,637.22/x
  3. Step 3: Cross multiply
    205,395.33x = 308,112.57 × 55,637.22
  4. Step 4: Simplify right side
    205,395.33x = 17,142,526,841.86
  5. Step 5: Solve for x
    x = 17,142,526,841.86/205,395.33
  6. Step 6: Final answer
    x = 83,461.13

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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.