Finding the Fourth Proportional to 146,374.08, 201,996.36 and 79,306.08
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Solution
The fourth proportional to 146,374.08, 201,996.36 and 79,306.08 is: 109,442.46
Step by Step Solution
- Step 1: Write the proportion equation
146,374.08 : 201,996.36 = 79,306.08 : x - Step 2: Convert to fraction form
146,374.08/201,996.36 = 79,306.08/x - Step 3: Cross multiply
146,374.08x = 201,996.36 × 79,306.08 - Step 4: Simplify right side
146,374.08x = 16,019,539,485.87 - Step 5: Solve for x
x = 16,019,539,485.87/146,374.08 - Step 6: Final answer
x = 109,442.46
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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.