Finding the Fourth Proportional to 488,887.68, 674,666.49 and 271,111.68
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Solution
The fourth proportional to 488,887.68, 674,666.49 and 271,111.68 is: 374,134.95
Step by Step Solution
- Step 1: Write the proportion equation
488,887.68 : 674,666.49 = 271,111.68 : x - Step 2: Convert to fraction form
488,887.68/674,666.49 = 271,111.68/x - Step 3: Cross multiply
488,887.68x = 674,666.49 × 271,111.68 - Step 4: Simplify right side
488,887.68x = 182,909,967,695.27 - Step 5: Solve for x
x = 182,909,967,695.27/488,887.68 - Step 6: Final answer
x = 374,134.95
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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.