Home / 313,467.90-432,581.89-170,228.97

Finding the Fourth Proportional to 313,467.90, 432,581.89 and 170,228.97

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Solution

The fourth proportional to 313,467.90, 432,581.89 and 170,228.97 is: 234,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,467.90 : 432,581.89 = 170,228.97 : x
  2. Step 2: Convert to fraction form
    313,467.90/432,581.89 = 170,228.97/x
  3. Step 3: Cross multiply
    313,467.90x = 432,581.89 × 170,228.97
  4. Step 4: Simplify right side
    313,467.90x = 73,637,969,575.35
  5. Step 5: Solve for x
    x = 73,637,969,575.35/313,467.90
  6. Step 6: Final answer
    x = 234,913.91

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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.