Home / 313,738.50-432,965.58-170,507.82

Finding the Fourth Proportional to 313,738.50, 432,965.58 and 170,507.82

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Solution

The fourth proportional to 313,738.50, 432,965.58 and 170,507.82 is: 235,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,738.50 : 432,965.58 = 170,507.82 : x
  2. Step 2: Convert to fraction form
    313,738.50/432,965.58 = 170,507.82/x
  3. Step 3: Cross multiply
    313,738.50x = 432,965.58 × 170,507.82
  4. Step 4: Simplify right side
    313,738.50x = 73,824,017,180.84
  5. Step 5: Solve for x
    x = 73,824,017,180.84/313,738.50
  6. Step 6: Final answer
    x = 235,304.30

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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.