Finding the Fourth Proportional to 340,082.40, 510,107.40 and 115,420.80
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Solution
The fourth proportional to 340,082.40, 510,107.40 and 115,420.80 is: 173,125.70
Step by Step Solution
- Step 1: Write the proportion equation
340,082.40 : 510,107.40 = 115,420.80 : x - Step 2: Convert to fraction form
340,082.40/510,107.40 = 115,420.80/x - Step 3: Cross multiply
340,082.40x = 510,107.40 × 115,420.80 - Step 4: Simplify right side
340,082.40x = 58,877,004,193.92 - Step 5: Solve for x
x = 58,877,004,193.92/340,082.40 - Step 6: Final answer
x = 173,125.70
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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.