Home / 353,231.84-487,440.24-202,338.56

Finding the Fourth Proportional to 353,231.84, 487,440.24 and 202,338.56

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Solution

The fourth proportional to 353,231.84, 487,440.24 and 202,338.56 is: 279,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,231.84 : 487,440.24 = 202,338.56 : x
  2. Step 2: Convert to fraction form
    353,231.84/487,440.24 = 202,338.56/x
  3. Step 3: Cross multiply
    353,231.84x = 487,440.24 × 202,338.56
  4. Step 4: Simplify right side
    353,231.84x = 98,627,956,247.65
  5. Step 5: Solve for x
    x = 98,627,956,247.65/353,231.84
  6. Step 6: Final answer
    x = 279,215.93

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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.