Home / 313,477.09-432,667.27-206,057.12

Finding the Fourth Proportional to 313,477.09, 432,667.27 and 206,057.12

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Solution

The fourth proportional to 313,477.09, 432,667.27 and 206,057.12 is: 284,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,477.09 : 432,667.27 = 206,057.12 : x
  2. Step 2: Convert to fraction form
    313,477.09/432,667.27 = 206,057.12/x
  3. Step 3: Cross multiply
    313,477.09x = 432,667.27 × 206,057.12
  4. Step 4: Simplify right side
    313,477.09x = 89,154,169,668.70
  5. Step 5: Solve for x
    x = 89,154,169,668.70/313,477.09
  6. Step 6: Final answer
    x = 284,404.10

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1.5x scale

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.