Home / 343,927.07-515,715.13-202,049.56

Finding the Fourth Proportional to 343,927.07, 515,715.13 and 202,049.56

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Solution

The fourth proportional to 343,927.07, 515,715.13 and 202,049.56 is: 302,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,927.07 : 515,715.13 = 202,049.56 : x
  2. Step 2: Convert to fraction form
    343,927.07/515,715.13 = 202,049.56/x
  3. Step 3: Cross multiply
    343,927.07x = 515,715.13 × 202,049.56
  4. Step 4: Simplify right side
    343,927.07x = 104,200,015,101.84
  5. Step 5: Solve for x
    x = 104,200,015,101.84/343,927.07
  6. Step 6: Final answer
    x = 302,971.25

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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.