Finding the Fourth Proportional to 748,229.40, 1,122,445.68 and 242,625.48
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Solution
The fourth proportional to 748,229.40, 1,122,445.68 and 242,625.48 is: 363,971.16
Step by Step Solution
- Step 1: Write the proportion equation
748,229.40 : 1,122,445.68 = 242,625.48 : x - Step 2: Convert to fraction form
748,229.40/1,122,445.68 = 242,625.48/x - Step 3: Cross multiply
748,229.40x = 1,122,445.68 × 242,625.48 - Step 4: Simplify right side
748,229.40x = 272,333,921,883.93 - Step 5: Solve for x
x = 272,333,921,883.93/748,229.40 - Step 6: Final answer
x = 363,971.16
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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.