Finding the Fourth Proportional to 207,304.95, 286,077.36 and 116,660.82
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Solution
The fourth proportional to 207,304.95, 286,077.36 and 116,660.82 is: 160,989.98
Step by Step Solution
- Step 1: Write the proportion equation
207,304.95 : 286,077.36 = 116,660.82 : x - Step 2: Convert to fraction form
207,304.95/286,077.36 = 116,660.82/x - Step 3: Cross multiply
207,304.95x = 286,077.36 × 116,660.82 - Step 4: Simplify right side
207,304.95x = 33,374,019,401.04 - Step 5: Solve for x
x = 33,374,019,401.04/207,304.95 - Step 6: Final answer
x = 160,989.98
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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.