Finding the Fourth Proportional to 669,135.29, 923,407.58 and 363,211.47
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Solution
The fourth proportional to 669,135.29, 923,407.58 and 363,211.47 is: 501,232.31
Step by Step Solution
- Step 1: Write the proportion equation
669,135.29 : 923,407.58 = 363,211.47 : x - Step 2: Convert to fraction form
669,135.29/923,407.58 = 363,211.47/x - Step 3: Cross multiply
669,135.29x = 923,407.58 × 363,211.47 - Step 4: Simplify right side
669,135.29x = 335,392,225,448.97 - Step 5: Solve for x
x = 335,392,225,448.97/669,135.29 - Step 6: Final answer
x = 501,232.31
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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.