Home / 205,733.29-308,568.80-55,985.26

Finding the Fourth Proportional to 205,733.29, 308,568.80 and 55,985.26

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Solution

The fourth proportional to 205,733.29, 308,568.80 and 55,985.26 is: 83,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,733.29 : 308,568.80 = 55,985.26 : x
  2. Step 2: Convert to fraction form
    205,733.29/308,568.80 = 55,985.26/x
  3. Step 3: Cross multiply
    205,733.29x = 308,568.80 × 55,985.26
  4. Step 4: Simplify right side
    205,733.29x = 17,275,303,161.76
  5. Step 5: Solve for x
    x = 17,275,303,161.76/205,733.29
  6. Step 6: Final answer
    x = 83,969.41

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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.