Finding the Fourth Proportional to 115,590.29, 173,369.71 and 31,355.87
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Solution
The fourth proportional to 115,590.29, 173,369.71 and 31,355.87 is: 47,029.54
Step by Step Solution
- Step 1: Write the proportion equation
115,590.29 : 173,369.71 = 31,355.87 : x - Step 2: Convert to fraction form
115,590.29/173,369.71 = 31,355.87/x - Step 3: Cross multiply
115,590.29x = 173,369.71 × 31,355.87 - Step 4: Simplify right side
115,590.29x = 5,436,158,088.70 - Step 5: Solve for x
x = 5,436,158,088.70/115,590.29 - Step 6: Final answer
x = 47,029.54
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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.