Finding the Fourth Proportional to 274,697.92, 413,918.62 and 225,871.75
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Solution
The fourth proportional to 274,697.92, 413,918.62 and 225,871.75 is: 340,346.67
Step by Step Solution
- Step 1: Write the proportion equation
274,697.92 : 413,918.62 = 225,871.75 : x - Step 2: Convert to fraction form
274,697.92/413,918.62 = 225,871.75/x - Step 3: Cross multiply
274,697.92x = 413,918.62 × 225,871.75 - Step 4: Simplify right side
274,697.92x = 93,492,523,056.99 - Step 5: Solve for x
x = 93,492,523,056.99/274,697.92 - Step 6: Final answer
x = 340,346.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.