Finding the Fourth Proportional to 498,220.24, 687,537.48 and 271,861.84
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Solution
The fourth proportional to 498,220.24, 687,537.48 and 271,861.84 is: 375,165.82
Step by Step Solution
- Step 1: Write the proportion equation
498,220.24 : 687,537.48 = 271,861.84 : x - Step 2: Convert to fraction form
498,220.24/687,537.48 = 271,861.84/x - Step 3: Cross multiply
498,220.24x = 687,537.48 × 271,861.84 - Step 4: Simplify right side
498,220.24x = 186,915,204,381.76 - Step 5: Solve for x
x = 186,915,204,381.76/498,220.24 - Step 6: Final answer
x = 375,165.82
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1.5x scale
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.