Finding the Fourth Proportional to 490,132.08, 676,369.44 and 275,261.76
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Solution
The fourth proportional to 490,132.08, 676,369.44 and 275,261.76 is: 379,854.02
Step by Step Solution
- Step 1: Write the proportion equation
490,132.08 : 676,369.44 = 275,261.76 : x - Step 2: Convert to fraction form
490,132.08/676,369.44 = 275,261.76/x - Step 3: Cross multiply
490,132.08x = 676,369.44 × 275,261.76 - Step 4: Simplify right side
490,132.08x = 186,178,642,464.61 - Step 5: Solve for x
x = 186,178,642,464.61/490,132.08 - Step 6: Final answer
x = 379,854.02
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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.