Finding the Fourth Proportional to 347,775.68, 521,310.60 and 197,705.96
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Solution
The fourth proportional to 347,775.68, 521,310.60 and 197,705.96 is: 296,358.31
Step by Step Solution
- Step 1: Write the proportion equation
347,775.68 : 521,310.60 = 197,705.96 : x - Step 2: Convert to fraction form
347,775.68/521,310.60 = 197,705.96/x - Step 3: Cross multiply
347,775.68x = 521,310.60 × 197,705.96 - Step 4: Simplify right side
347,775.68x = 103,066,212,631.18 - Step 5: Solve for x
x = 103,066,212,631.18/347,775.68 - Step 6: Final answer
x = 296,358.31
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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.