Home / 313,513.28-432,641.22-170,270.25

Finding the Fourth Proportional to 313,513.28, 432,641.22 and 170,270.25

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Solution

The fourth proportional to 313,513.28, 432,641.22 and 170,270.25 is: 234,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,513.28 : 432,641.22 = 170,270.25 : x
  2. Step 2: Convert to fraction form
    313,513.28/432,641.22 = 170,270.25/x
  3. Step 3: Cross multiply
    313,513.28x = 432,641.22 × 170,270.25
  4. Step 4: Simplify right side
    313,513.28x = 73,665,930,299.05
  5. Step 5: Solve for x
    x = 73,665,930,299.05/313,513.28
  6. Step 6: Final answer
    x = 234,969.09

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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.