Finding the Fourth Proportional to 138,244.49, 207,366.51 and 43,482.99
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Solution
The fourth proportional to 138,244.49, 207,366.51 and 43,482.99 is: 65,224.42
Step by Step Solution
- Step 1: Write the proportion equation
138,244.49 : 207,366.51 = 43,482.99 : x - Step 2: Convert to fraction form
138,244.49/207,366.51 = 43,482.99/x - Step 3: Cross multiply
138,244.49x = 207,366.51 × 43,482.99 - Step 4: Simplify right side
138,244.49x = 9,016,916,821.35 - Step 5: Solve for x
x = 9,016,916,821.35/138,244.49 - Step 6: Final answer
x = 65,224.42
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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.