Home / 358,357.04-494,553.12-205,420.68

Finding the Fourth Proportional to 358,357.04, 494,553.12 and 205,420.68

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Solution

The fourth proportional to 358,357.04, 494,553.12 and 205,420.68 is: 283,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,357.04 : 494,553.12 = 205,420.68 : x
  2. Step 2: Convert to fraction form
    358,357.04/494,553.12 = 205,420.68/x
  3. Step 3: Cross multiply
    358,357.04x = 494,553.12 × 205,420.68
  4. Step 4: Simplify right side
    358,357.04x = 101,591,438,206.52
  5. Step 5: Solve for x
    x = 101,591,438,206.52/358,357.04
  6. Step 6: Final answer
    x = 283,492.24

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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.