Finding the Fourth Proportional to 207,278.57, 286,041.06 and 116,634.49
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Solution
The fourth proportional to 207,278.57, 286,041.06 and 116,634.49 is: 160,953.70
Step by Step Solution
- Step 1: Write the proportion equation
207,278.57 : 286,041.06 = 116,634.49 : x - Step 2: Convert to fraction form
207,278.57/286,041.06 = 116,634.49/x - Step 3: Cross multiply
207,278.57x = 286,041.06 × 116,634.49 - Step 4: Simplify right side
207,278.57x = 33,362,252,437.06 - Step 5: Solve for x
x = 33,362,252,437.06/207,278.57 - Step 6: Final answer
x = 160,953.70
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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.