Finding the Fourth Proportional to 488,800.13, 674,570.84 and 274,009.19
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Solution
The fourth proportional to 488,800.13, 674,570.84 and 274,009.19 is: 378,147.63
Step by Step Solution
- Step 1: Write the proportion equation
488,800.13 : 674,570.84 = 274,009.19 : x - Step 2: Convert to fraction form
488,800.13/674,570.84 = 274,009.19/x - Step 3: Cross multiply
488,800.13x = 674,570.84 × 274,009.19 - Step 4: Simplify right side
488,800.13x = 184,838,609,782.40 - Step 5: Solve for x
x = 184,838,609,782.40/488,800.13 - Step 6: Final answer
x = 378,147.63
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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.