Finding the Fourth Proportional to 866,517.12, 1,299,802.56 and 235,428.48
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Solution
The fourth proportional to 866,517.12, 1,299,802.56 and 235,428.48 is: 353,150.02
Step by Step Solution
- Step 1: Write the proportion equation
866,517.12 : 1,299,802.56 = 235,428.48 : x - Step 2: Convert to fraction form
866,517.12/1,299,802.56 = 235,428.48/x - Step 3: Cross multiply
866,517.12x = 1,299,802.56 × 235,428.48 - Step 4: Simplify right side
866,517.12x = 306,010,541,000.91 - Step 5: Solve for x
x = 306,010,541,000.91/866,517.12 - Step 6: Final answer
x = 353,150.02
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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.