Home / 358,293.06-494,387.98-205,301.81

Finding the Fourth Proportional to 358,293.06, 494,387.98 and 205,301.81

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Solution

The fourth proportional to 358,293.06, 494,387.98 and 205,301.81 is: 283,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,293.06 : 494,387.98 = 205,301.81 : x
  2. Step 2: Convert to fraction form
    358,293.06/494,387.98 = 205,301.81/x
  3. Step 3: Cross multiply
    358,293.06x = 494,387.98 × 205,301.81
  4. Step 4: Simplify right side
    358,293.06x = 101,498,747,136.24
  5. Step 5: Solve for x
    x = 101,498,747,136.24/358,293.06
  6. Step 6: Final answer
    x = 283,284.16

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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.