Finding the Fourth Proportional to 207,346.18, 286,275.45 and 159,515.14
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Solution
The fourth proportional to 207,346.18, 286,275.45 and 159,515.14 is: 220,236.84
Step by Step Solution
- Step 1: Write the proportion equation
207,346.18 : 286,275.45 = 159,515.14 : x - Step 2: Convert to fraction form
207,346.18/286,275.45 = 159,515.14/x - Step 3: Cross multiply
207,346.18x = 286,275.45 × 159,515.14 - Step 4: Simplify right side
207,346.18x = 45,665,268,485.31 - Step 5: Solve for x
x = 45,665,268,485.31/207,346.18 - Step 6: Final answer
x = 220,236.84
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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.