Finding the Fourth Proportional to 145,996.06, 201,472.68 and 82,354.36
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Solution
The fourth proportional to 145,996.06, 201,472.68 and 82,354.36 is: 113,647.95
Step by Step Solution
- Step 1: Write the proportion equation
145,996.06 : 201,472.68 = 82,354.36 : x - Step 2: Convert to fraction form
145,996.06/201,472.68 = 82,354.36/x - Step 3: Cross multiply
145,996.06x = 201,472.68 × 82,354.36 - Step 4: Simplify right side
145,996.06x = 16,592,153,618.88 - Step 5: Solve for x
x = 16,592,153,618.88/145,996.06 - Step 6: Final answer
x = 113,647.95
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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.