Home / 313,327.42-432,390.62-170,086.21

Finding the Fourth Proportional to 313,327.42, 432,390.62 and 170,086.21

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Solution

The fourth proportional to 313,327.42, 432,390.62 and 170,086.21 is: 234,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,327.42 : 432,390.62 = 170,086.21 : x
  2. Step 2: Convert to fraction form
    313,327.42/432,390.62 = 170,086.21/x
  3. Step 3: Cross multiply
    313,327.42x = 432,390.62 × 170,086.21
  4. Step 4: Simplify right side
    313,327.42x = 73,543,681,139.59
  5. Step 5: Solve for x
    x = 73,543,681,139.59/313,327.42
  6. Step 6: Final answer
    x = 234,718.31

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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.