Finding the Fourth Proportional to 676,211.86, 1,014,416.70 and 202,934.62
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Solution
The fourth proportional to 676,211.86, 1,014,416.70 and 202,934.62 is: 304,431.61
Step by Step Solution
- Step 1: Write the proportion equation
676,211.86 : 1,014,416.70 = 202,934.62 : x - Step 2: Convert to fraction form
676,211.86/1,014,416.70 = 202,934.62/x - Step 3: Cross multiply
676,211.86x = 1,014,416.70 × 202,934.62 - Step 4: Simplify right side
676,211.86x = 205,860,267,536.15 - Step 5: Solve for x
x = 205,860,267,536.15/676,211.86 - Step 6: Final answer
x = 304,431.61
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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.