Finding the Fourth Proportional to 115,448.42, 173,177.58 and 45,342.92
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Solution
The fourth proportional to 115,448.42, 173,177.58 and 45,342.92 is: 68,016.32
Step by Step Solution
- Step 1: Write the proportion equation
115,448.42 : 173,177.58 = 45,342.92 : x - Step 2: Convert to fraction form
115,448.42/173,177.58 = 45,342.92/x - Step 3: Cross multiply
115,448.42x = 173,177.58 × 45,342.92 - Step 4: Simplify right side
115,448.42x = 7,852,377,155.73 - Step 5: Solve for x
x = 7,852,377,155.73/115,448.42 - Step 6: Final answer
x = 68,016.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.