Finding the Fourth Proportional to 221,104.60, 331,592.10 and 102,747.40
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Solution
The fourth proportional to 221,104.60, 331,592.10 and 102,747.40 is: 154,090.99
Step by Step Solution
- Step 1: Write the proportion equation
221,104.60 : 331,592.10 = 102,747.40 : x - Step 2: Convert to fraction form
221,104.60/331,592.10 = 102,747.40/x - Step 3: Cross multiply
221,104.60x = 331,592.10 × 102,747.40 - Step 4: Simplify right side
221,104.60x = 34,070,226,135.54 - Step 5: Solve for x
x = 34,070,226,135.54/221,104.60 - Step 6: Final answer
x = 154,090.99
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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.