Finding the Fourth Proportional to 902,861.67, 1,354,340.12 and 228,948.80
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Solution
The fourth proportional to 902,861.67, 1,354,340.12 and 228,948.80 is: 343,435.27
Step by Step Solution
- Step 1: Write the proportion equation
902,861.67 : 1,354,340.12 = 228,948.80 : x - Step 2: Convert to fraction form
902,861.67/1,354,340.12 = 228,948.80/x - Step 3: Cross multiply
902,861.67x = 1,354,340.12 × 228,948.80 - Step 4: Simplify right side
902,861.67x = 310,074,538,637.25 - Step 5: Solve for x
x = 310,074,538,637.25/902,861.67 - Step 6: Final answer
x = 343,435.27
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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.