Finding the Fourth Proportional to 275,347.19, 413,020.80 and 97,861.20
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Solution
The fourth proportional to 275,347.19, 413,020.80 and 97,861.20 is: 146,791.81
Step by Step Solution
- Step 1: Write the proportion equation
275,347.19 : 413,020.80 = 97,861.20 : x - Step 2: Convert to fraction form
275,347.19/413,020.80 = 97,861.20/x - Step 3: Cross multiply
275,347.19x = 413,020.80 × 97,861.20 - Step 4: Simplify right side
275,347.19x = 40,418,711,112.96 - Step 5: Solve for x
x = 40,418,711,112.96/275,347.19 - Step 6: Final answer
x = 146,791.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.