Finding the Fourth Proportional to 506,021.14, 698,335.20 and 291,193.35
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Solution
The fourth proportional to 506,021.14, 698,335.20 and 291,193.35 is: 401,861.80
Step by Step Solution
- Step 1: Write the proportion equation
506,021.14 : 698,335.20 = 291,193.35 : x - Step 2: Convert to fraction form
506,021.14/698,335.20 = 291,193.35/x - Step 3: Cross multiply
506,021.14x = 698,335.20 × 291,193.35 - Step 4: Simplify right side
506,021.14x = 203,350,566,310.92 - Step 5: Solve for x
x = 203,350,566,310.92/506,021.14 - Step 6: Final answer
x = 401,861.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.