Finding the Fourth Proportional to 261,401.57, 360,770.07 and 146,686.99
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Solution
The fourth proportional to 261,401.57, 360,770.07 and 146,686.99 is: 202,448.20
Step by Step Solution
- Step 1: Write the proportion equation
261,401.57 : 360,770.07 = 146,686.99 : x - Step 2: Convert to fraction form
261,401.57/360,770.07 = 146,686.99/x - Step 3: Cross multiply
261,401.57x = 360,770.07 × 146,686.99 - Step 4: Simplify right side
261,401.57x = 52,920,277,007.79 - Step 5: Solve for x
x = 52,920,277,007.79/261,401.57 - Step 6: Final answer
x = 202,448.20
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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.