Finding the Fourth Proportional to 226,377.38, 312,400.60 and 124,409.42
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Solution
The fourth proportional to 226,377.38, 312,400.60 and 124,409.42 is: 171,684.89
Step by Step Solution
- Step 1: Write the proportion equation
226,377.38 : 312,400.60 = 124,409.42 : x - Step 2: Convert to fraction form
226,377.38/312,400.60 = 124,409.42/x - Step 3: Cross multiply
226,377.38x = 312,400.60 × 124,409.42 - Step 4: Simplify right side
226,377.38x = 38,865,576,752.13 - Step 5: Solve for x
x = 38,865,576,752.13/226,377.38 - Step 6: Final answer
x = 171,684.89
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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.