Finding the Fourth Proportional to 188,235.60, 259,778.76 and 124,462.80
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Solution
The fourth proportional to 188,235.60, 259,778.76 and 124,462.80 is: 171,767.68
Step by Step Solution
- Step 1: Write the proportion equation
188,235.60 : 259,778.76 = 124,462.80 : x - Step 2: Convert to fraction form
188,235.60/259,778.76 = 124,462.80/x - Step 3: Cross multiply
188,235.60x = 259,778.76 × 124,462.80 - Step 4: Simplify right side
188,235.60x = 32,332,791,850.13 - Step 5: Solve for x
x = 32,332,791,850.13/188,235.60 - Step 6: Final answer
x = 171,767.68
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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.