Finding the Fourth Proportional to 305,176.46, 421,126.68 and 169,202.48
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Solution
The fourth proportional to 305,176.46, 421,126.68 and 169,202.48 is: 233,490.09
Step by Step Solution
- Step 1: Write the proportion equation
305,176.46 : 421,126.68 = 169,202.48 : x - Step 2: Convert to fraction form
305,176.46/421,126.68 = 169,202.48/x - Step 3: Cross multiply
305,176.46x = 421,126.68 × 169,202.48 - Step 4: Simplify right side
305,176.46x = 71,255,678,650.17 - Step 5: Solve for x
x = 71,255,678,650.17/305,176.46 - Step 6: Final answer
x = 233,490.09
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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.