Finding the Fourth Proportional to 488,590.82, 674,239.02 and 270,790.21
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Solution
The fourth proportional to 488,590.82, 674,239.02 and 270,790.21 is: 373,681.45
Step by Step Solution
- Step 1: Write the proportion equation
488,590.82 : 674,239.02 = 270,790.21 : x - Step 2: Convert to fraction form
488,590.82/674,239.02 = 270,790.21/x - Step 3: Cross multiply
488,590.82x = 674,239.02 × 270,790.21 - Step 4: Simplify right side
488,590.82x = 182,577,322,444.80 - Step 5: Solve for x
x = 182,577,322,444.80/488,590.82 - Step 6: Final answer
x = 373,681.45
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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.