Home / 313,672.58-432,867.44-170,433.20

Finding the Fourth Proportional to 313,672.58, 432,867.44 and 170,433.20

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Solution

The fourth proportional to 313,672.58, 432,867.44 and 170,433.20 is: 235,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,672.58 : 432,867.44 = 170,433.20 : x
  2. Step 2: Convert to fraction form
    313,672.58/432,867.44 = 170,433.20/x
  3. Step 3: Cross multiply
    313,672.58x = 432,867.44 × 170,433.20
  4. Step 4: Simplify right side
    313,672.58x = 73,774,982,975.01
  5. Step 5: Solve for x
    x = 73,774,982,975.01/313,672.58
  6. Step 6: Final answer
    x = 235,197.42

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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.