Finding the Fourth Proportional to 207,657.17, 286,566.86 and 112,163.84
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Solution
The fourth proportional to 207,657.17, 286,566.86 and 112,163.84 is: 154,786.08
Step by Step Solution
- Step 1: Write the proportion equation
207,657.17 : 286,566.86 = 112,163.84 : x - Step 2: Convert to fraction form
207,657.17/286,566.86 = 112,163.84/x - Step 3: Cross multiply
207,657.17x = 286,566.86 × 112,163.84 - Step 4: Simplify right side
207,657.17x = 32,142,439,356.54 - Step 5: Solve for x
x = 32,142,439,356.54/207,657.17 - Step 6: Final answer
x = 154,786.08
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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.