Finding the Fourth Proportional to 315,135.96, 472,703.70 and 93,519.96
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Solution
The fourth proportional to 315,135.96, 472,703.70 and 93,519.96 is: 140,279.87
Step by Step Solution
- Step 1: Write the proportion equation
315,135.96 : 472,703.70 = 93,519.96 : x - Step 2: Convert to fraction form
315,135.96/472,703.70 = 93,519.96/x - Step 3: Cross multiply
315,135.96x = 472,703.70 × 93,519.96 - Step 4: Simplify right side
315,135.96x = 44,207,231,115.85 - Step 5: Solve for x
x = 44,207,231,115.85/315,135.96 - Step 6: Final answer
x = 140,279.87
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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.