Finding the Fourth Proportional to 289,808.20, 434,129.10 and 195,329.80
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Solution
The fourth proportional to 289,808.20, 434,129.10 and 195,329.80 is: 292,601.63
Step by Step Solution
- Step 1: Write the proportion equation
289,808.20 : 434,129.10 = 195,329.80 : x - Step 2: Convert to fraction form
289,808.20/434,129.10 = 195,329.80/x - Step 3: Cross multiply
289,808.20x = 434,129.10 × 195,329.80 - Step 4: Simplify right side
289,808.20x = 84,798,350,277.18 - Step 5: Solve for x
x = 84,798,350,277.18/289,808.20 - Step 6: Final answer
x = 292,601.63
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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.