Finding the Fourth Proportional to 490,318.92, 676,624.46 and 272,526.53
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Solution
The fourth proportional to 490,318.92, 676,624.46 and 272,526.53 is: 376,077.90
Step by Step Solution
- Step 1: Write the proportion equation
490,318.92 : 676,624.46 = 272,526.53 : x - Step 2: Convert to fraction form
490,318.92/676,624.46 = 272,526.53/x - Step 3: Cross multiply
490,318.92x = 676,624.46 × 272,526.53 - Step 4: Simplify right side
490,318.92x = 184,398,111,451.17 - Step 5: Solve for x
x = 184,398,111,451.17/490,318.92 - Step 6: Final answer
x = 376,077.90
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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.