Finding the Fourth Proportional to 151,372.75, 208,894.41 and 84,304.75
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Solution
The fourth proportional to 151,372.75, 208,894.41 and 84,304.75 is: 116,340.56
Step by Step Solution
- Step 1: Write the proportion equation
151,372.75 : 208,894.41 = 84,304.75 : x - Step 2: Convert to fraction form
151,372.75/208,894.41 = 84,304.75/x - Step 3: Cross multiply
151,372.75x = 208,894.41 × 84,304.75 - Step 4: Simplify right side
151,372.75x = 17,610,791,011.45 - Step 5: Solve for x
x = 17,610,791,011.45/151,372.75 - Step 6: Final answer
x = 116,340.56
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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.