Finding the Fourth Proportional to 209,894.13, 314,841.08 and 76,701.71
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Solution
The fourth proportional to 209,894.13, 314,841.08 and 76,701.71 is: 115,052.53
Step by Step Solution
- Step 1: Write the proportion equation
209,894.13 : 314,841.08 = 76,701.71 : x - Step 2: Convert to fraction form
209,894.13/314,841.08 = 76,701.71/x - Step 3: Cross multiply
209,894.13x = 314,841.08 × 76,701.71 - Step 4: Simplify right side
209,894.13x = 24,148,850,193.10 - Step 5: Solve for x
x = 24,148,850,193.10/209,894.13 - Step 6: Final answer
x = 115,052.53
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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.