Home / 329,973.24-494,612.64-210,121.32

Finding the Fourth Proportional to 329,973.24, 494,612.64 and 210,121.32

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Solution

The fourth proportional to 329,973.24, 494,612.64 and 210,121.32 is: 314,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,973.24 : 494,612.64 = 210,121.32 : x
  2. Step 2: Convert to fraction form
    329,973.24/494,612.64 = 210,121.32/x
  3. Step 3: Cross multiply
    329,973.24x = 494,612.64 × 210,121.32
  4. Step 4: Simplify right side
    329,973.24x = 103,928,660,805.49
  5. Step 5: Solve for x
    x = 103,928,660,805.49/329,973.24
  6. Step 6: Final answer
    x = 314,960.88

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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.