Home / 313,756.96-432,984.42-170,517.04

Finding the Fourth Proportional to 313,756.96, 432,984.42 and 170,517.04

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Solution

The fourth proportional to 313,756.96, 432,984.42 and 170,517.04 is: 235,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,756.96 : 432,984.42 = 170,517.04 : x
  2. Step 2: Convert to fraction form
    313,756.96/432,984.42 = 170,517.04/x
  3. Step 3: Cross multiply
    313,756.96x = 432,984.42 × 170,517.04
  4. Step 4: Simplify right side
    313,756.96x = 73,831,221,664.52
  5. Step 5: Solve for x
    x = 73,831,221,664.52/313,756.96
  6. Step 6: Final answer
    x = 235,313.41

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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.