Finding the Fourth Proportional to 667,594.95, 921,279.96 and 361,679.13
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Solution
The fourth proportional to 667,594.95, 921,279.96 and 361,679.13 is: 499,116.62
Step by Step Solution
- Step 1: Write the proportion equation
667,594.95 : 921,279.96 = 361,679.13 : x - Step 2: Convert to fraction form
667,594.95/921,279.96 = 361,679.13/x - Step 3: Cross multiply
667,594.95x = 921,279.96 × 361,679.13 - Step 4: Simplify right side
667,594.95x = 333,207,734,419.24 - Step 5: Solve for x
x = 333,207,734,419.24/667,594.95 - Step 6: Final answer
x = 499,116.62
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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.