Finding the Fourth Proportional to 275,581.72, 413,211.68 and 106,904.94
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Solution
The fourth proportional to 275,581.72, 413,211.68 and 106,904.94 is: 160,294.99
Step by Step Solution
- Step 1: Write the proportion equation
275,581.72 : 413,211.68 = 106,904.94 : x - Step 2: Convert to fraction form
275,581.72/413,211.68 = 106,904.94/x - Step 3: Cross multiply
275,581.72x = 413,211.68 × 106,904.94 - Step 4: Simplify right side
275,581.72x = 44,174,369,857.70 - Step 5: Solve for x
x = 44,174,369,857.70/275,581.72 - Step 6: Final answer
x = 160,294.99
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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.