Home / 381,106.49-524,606.96-329,400.03

Finding the Fourth Proportional to 381,106.49, 524,606.96 and 329,400.03

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Solution

The fourth proportional to 381,106.49, 524,606.96 and 329,400.03 is: 453,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,106.49 : 524,606.96 = 329,400.03 : x
  2. Step 2: Convert to fraction form
    381,106.49/524,606.96 = 329,400.03/x
  3. Step 3: Cross multiply
    381,106.49x = 524,606.96 × 329,400.03
  4. Step 4: Simplify right side
    381,106.49x = 172,805,551,152.99
  5. Step 5: Solve for x
    x = 172,805,551,152.99/381,106.49
  6. Step 6: Final answer
    x = 453,431.15

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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.