Home / 313,189.12-432,202.18-169,949.16

Finding the Fourth Proportional to 313,189.12, 432,202.18 and 169,949.16

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Solution

The fourth proportional to 313,189.12, 432,202.18 and 169,949.16 is: 234,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,189.12 : 432,202.18 = 169,949.16 : x
  2. Step 2: Convert to fraction form
    313,189.12/432,202.18 = 169,949.16/x
  3. Step 3: Cross multiply
    313,189.12x = 432,202.18 × 169,949.16
  4. Step 4: Simplify right side
    313,189.12x = 73,452,397,441.17
  5. Step 5: Solve for x
    x = 73,452,397,441.17/313,189.12
  6. Step 6: Final answer
    x = 234,530.49

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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.