Finding the Fourth Proportional to 490,203.82, 676,497.68 and 272,421.67
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Solution
The fourth proportional to 490,203.82, 676,497.68 and 272,421.67 is: 375,951.02
Step by Step Solution
- Step 1: Write the proportion equation
490,203.82 : 676,497.68 = 272,421.67 : x - Step 2: Convert to fraction form
490,203.82/676,497.68 = 272,421.67/x - Step 3: Cross multiply
490,203.82x = 676,497.68 × 272,421.67 - Step 4: Simplify right side
490,203.82x = 184,292,627,736.73 - Step 5: Solve for x
x = 184,292,627,736.73/490,203.82 - Step 6: Final answer
x = 375,951.02
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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.