Finding the Fourth Proportional to 146,274.62, 201,858.63 and 79,206.62
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Solution
The fourth proportional to 146,274.62, 201,858.63 and 79,206.62 is: 109,304.95
Step by Step Solution
- Step 1: Write the proportion equation
146,274.62 : 201,858.63 = 79,206.62 : x - Step 2: Convert to fraction form
146,274.62/201,858.63 = 79,206.62/x - Step 3: Cross multiply
146,274.62x = 201,858.63 × 79,206.62 - Step 4: Simplify right side
146,274.62x = 15,988,539,800.13 - Step 5: Solve for x
x = 15,988,539,800.13/146,274.62 - Step 6: Final answer
x = 109,304.95
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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.