Finding the Fourth Proportional to 146,209.68, 201,770.02 and 79,141.68
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Solution
The fourth proportional to 146,209.68, 201,770.02 and 79,141.68 is: 109,215.88
Step by Step Solution
- Step 1: Write the proportion equation
146,209.68 : 201,770.02 = 79,141.68 : x - Step 2: Convert to fraction form
146,209.68/201,770.02 = 79,141.68/x - Step 3: Cross multiply
146,209.68x = 201,770.02 × 79,141.68 - Step 4: Simplify right side
146,209.68x = 15,968,418,356.43 - Step 5: Solve for x
x = 15,968,418,356.43/146,209.68 - Step 6: Final answer
x = 109,215.88
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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.