Finding the Fourth Proportional to 453,861.09, 680,795.28 and 154,409.76
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Solution
The fourth proportional to 453,861.09, 680,795.28 and 154,409.76 is: 231,615.88
Step by Step Solution
- Step 1: Write the proportion equation
453,861.09 : 680,795.28 = 154,409.76 : x - Step 2: Convert to fraction form
453,861.09/680,795.28 = 154,409.76/x - Step 3: Cross multiply
453,861.09x = 680,795.28 × 154,409.76 - Step 4: Simplify right side
453,861.09x = 105,121,435,793.93 - Step 5: Solve for x
x = 105,121,435,793.93/453,861.09 - Step 6: Final answer
x = 231,615.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.