Finding the Fourth Proportional to 147,836.66, 221,492.27 and 84,654.26
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Solution
The fourth proportional to 147,836.66, 221,492.27 and 84,654.26 is: 126,830.95
Step by Step Solution
- Step 1: Write the proportion equation
147,836.66 : 221,492.27 = 84,654.26 : x - Step 2: Convert to fraction form
147,836.66/221,492.27 = 84,654.26/x - Step 3: Cross multiply
147,836.66x = 221,492.27 × 84,654.26 - Step 4: Simplify right side
147,836.66x = 18,750,264,212.57 - Step 5: Solve for x
x = 18,750,264,212.57/147,836.66 - Step 6: Final answer
x = 126,830.95
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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.