Home / 313,765.25-432,999.39-170,525.30

Finding the Fourth Proportional to 313,765.25, 432,999.39 and 170,525.30

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Solution

The fourth proportional to 313,765.25, 432,999.39 and 170,525.30 is: 235,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,765.25 : 432,999.39 = 170,525.30 : x
  2. Step 2: Convert to fraction form
    313,765.25/432,999.39 = 170,525.30/x
  3. Step 3: Cross multiply
    313,765.25x = 432,999.39 × 170,525.30
  4. Step 4: Simplify right side
    313,765.25x = 73,837,348,714.57
  5. Step 5: Solve for x
    x = 73,837,348,714.57/313,765.25
  6. Step 6: Final answer
    x = 235,326.73

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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.