Finding the Fourth Proportional to 292,809.92, 438,378.15 and 274,209.62
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Solution
The fourth proportional to 292,809.92, 438,378.15 and 274,209.62 is: 410,530.85
Step by Step Solution
- Step 1: Write the proportion equation
292,809.92 : 438,378.15 = 274,209.62 : x - Step 2: Convert to fraction form
292,809.92/438,378.15 = 274,209.62/x - Step 3: Cross multiply
292,809.92x = 438,378.15 × 274,209.62 - Step 4: Simplify right side
292,809.92x = 120,207,505,927.80 - Step 5: Solve for x
x = 120,207,505,927.80/292,809.92 - Step 6: Final answer
x = 410,530.85
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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.