Finding the Fourth Proportional to 669,166.24, 923,387.76 and 397,187.68
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Solution
The fourth proportional to 669,166.24, 923,387.76 and 397,187.68 is: 548,082.40
Step by Step Solution
- Step 1: Write the proportion equation
669,166.24 : 923,387.76 = 397,187.68 : x - Step 2: Convert to fraction form
669,166.24/923,387.76 = 397,187.68/x - Step 3: Cross multiply
669,166.24x = 923,387.76 × 397,187.68 - Step 4: Simplify right side
669,166.24x = 366,758,242,134.80 - Step 5: Solve for x
x = 366,758,242,134.80/669,166.24 - Step 6: Final answer
x = 548,082.40
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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.