Finding the Fourth Proportional to 407,763.15, 611,043.30 and 295,679.40
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Solution
The fourth proportional to 407,763.15, 611,043.30 and 295,679.40 is: 443,082.99
Step by Step Solution
- Step 1: Write the proportion equation
407,763.15 : 611,043.30 = 295,679.40 : x - Step 2: Convert to fraction form
407,763.15/611,043.30 = 295,679.40/x - Step 3: Cross multiply
407,763.15x = 611,043.30 × 295,679.40 - Step 4: Simplify right side
407,763.15x = 180,672,916,318.02 - Step 5: Solve for x
x = 180,672,916,318.02/407,763.15 - Step 6: Final answer
x = 443,082.99
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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.