Finding the Fourth Proportional to 261,402.57, 360,771.45 and 146,687.99
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Solution
The fourth proportional to 261,402.57, 360,771.45 and 146,687.99 is: 202,449.57
Step by Step Solution
- Step 1: Write the proportion equation
261,402.57 : 360,771.45 = 146,687.99 : x - Step 2: Convert to fraction form
261,402.57/360,771.45 = 146,687.99/x - Step 3: Cross multiply
261,402.57x = 360,771.45 × 146,687.99 - Step 4: Simplify right side
261,402.57x = 52,920,838,849.89 - Step 5: Solve for x
x = 52,920,838,849.89/261,402.57 - Step 6: Final answer
x = 202,449.57
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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.