Finding the Fourth Proportional to 352,902.08, 529,354.90 and 86,662.70
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Solution
The fourth proportional to 352,902.08, 529,354.90 and 86,662.70 is: 129,994.49
Step by Step Solution
- Step 1: Write the proportion equation
352,902.08 : 529,354.90 = 86,662.70 : x - Step 2: Convert to fraction form
352,902.08/529,354.90 = 86,662.70/x - Step 3: Cross multiply
352,902.08x = 529,354.90 × 86,662.70 - Step 4: Simplify right side
352,902.08x = 45,875,324,892.23 - Step 5: Solve for x
x = 45,875,324,892.23/352,902.08 - Step 6: Final answer
x = 129,994.49
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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.