Home / 279,033.22-385,081.59-151,706.08

Finding the Fourth Proportional to 279,033.22, 385,081.59 and 151,706.08

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Solution

The fourth proportional to 279,033.22, 385,081.59 and 151,706.08 is: 209,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,033.22 : 385,081.59 = 151,706.08 : x
  2. Step 2: Convert to fraction form
    279,033.22/385,081.59 = 151,706.08/x
  3. Step 3: Cross multiply
    279,033.22x = 385,081.59 × 151,706.08
  4. Step 4: Simplify right side
    279,033.22x = 58,419,218,499.07
  5. Step 5: Solve for x
    x = 58,419,218,499.07/279,033.22
  6. Step 6: Final answer
    x = 209,362.95

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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.