Home / 313,538.27-432,684.05-170,300.70

Finding the Fourth Proportional to 313,538.27, 432,684.05 and 170,300.70

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Solution

The fourth proportional to 313,538.27, 432,684.05 and 170,300.70 is: 235,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,538.27 : 432,684.05 = 170,300.70 : x
  2. Step 2: Convert to fraction form
    313,538.27/432,684.05 = 170,300.70/x
  3. Step 3: Cross multiply
    313,538.27x = 432,684.05 × 170,300.70
  4. Step 4: Simplify right side
    313,538.27x = 73,686,395,742.33
  5. Step 5: Solve for x
    x = 73,686,395,742.33/313,538.27
  6. Step 6: Final answer
    x = 235,015.64

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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.