Home / 218,429.39-301,174.64-149,552.25

Finding the Fourth Proportional to 218,429.39, 301,174.64 and 149,552.25

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Solution

The fourth proportional to 218,429.39, 301,174.64 and 149,552.25 is: 206,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,429.39 : 301,174.64 = 149,552.25 : x
  2. Step 2: Convert to fraction form
    218,429.39/301,174.64 = 149,552.25/x
  3. Step 3: Cross multiply
    218,429.39x = 301,174.64 × 149,552.25
  4. Step 4: Simplify right side
    218,429.39x = 45,041,345,859.14
  5. Step 5: Solve for x
    x = 45,041,345,859.14/218,429.39
  6. Step 6: Final answer
    x = 206,205.52

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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.