Home / 358,971.12-495,382.10-205,997.13

Finding the Fourth Proportional to 358,971.12, 495,382.10 and 205,997.13

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Solution

The fourth proportional to 358,971.12, 495,382.10 and 205,997.13 is: 284,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,971.12 : 495,382.10 = 205,997.13 : x
  2. Step 2: Convert to fraction form
    358,971.12/495,382.10 = 205,997.13/x
  3. Step 3: Cross multiply
    358,971.12x = 495,382.10 × 205,997.13
  4. Step 4: Simplify right side
    358,971.12x = 102,047,289,823.39
  5. Step 5: Solve for x
    x = 102,047,289,823.39/358,971.12
  6. Step 6: Final answer
    x = 284,277.16

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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.