Finding the Fourth Proportional to 146,272.82, 201,856.48 and 79,204.82
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Solution
The fourth proportional to 146,272.82, 201,856.48 and 79,204.82 is: 109,302.65
Step by Step Solution
- Step 1: Write the proportion equation
146,272.82 : 201,856.48 = 79,204.82 : x - Step 2: Convert to fraction form
146,272.82/201,856.48 = 79,204.82/x - Step 3: Cross multiply
146,272.82x = 201,856.48 × 79,204.82 - Step 4: Simplify right side
146,272.82x = 15,988,006,164.23 - Step 5: Solve for x
x = 15,988,006,164.23/146,272.82 - Step 6: Final answer
x = 109,302.65
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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.