Finding the Fourth Proportional to 149,636.16, 206,517.60 and 104,284.80
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Solution
The fourth proportional to 149,636.16, 206,517.60 and 104,284.80 is: 143,926.75
Step by Step Solution
- Step 1: Write the proportion equation
149,636.16 : 206,517.60 = 104,284.80 : x - Step 2: Convert to fraction form
149,636.16/206,517.60 = 104,284.80/x - Step 3: Cross multiply
149,636.16x = 206,517.60 × 104,284.80 - Step 4: Simplify right side
149,636.16x = 21,536,646,612.48 - Step 5: Solve for x
x = 21,536,646,612.48/149,636.16 - Step 6: Final answer
x = 143,926.75
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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.