Home / 223,433.33-308,343.96-121,465.62

Finding the Fourth Proportional to 223,433.33, 308,343.96 and 121,465.62

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Solution

The fourth proportional to 223,433.33, 308,343.96 and 121,465.62 is: 167,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,433.33 : 308,343.96 = 121,465.62 : x
  2. Step 2: Convert to fraction form
    223,433.33/308,343.96 = 121,465.62/x
  3. Step 3: Cross multiply
    223,433.33x = 308,343.96 × 121,465.62
  4. Step 4: Simplify right side
    223,433.33x = 37,453,190,274.66
  5. Step 5: Solve for x
    x = 37,453,190,274.66/223,433.33
  6. Step 6: Final answer
    x = 167,625.80

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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.