Finding the Fourth Proportional to 449,364.74, 620,126.97 and 248,160.74
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Solution
The fourth proportional to 449,364.74, 620,126.97 and 248,160.74 is: 342,463.83
Step by Step Solution
- Step 1: Write the proportion equation
449,364.74 : 620,126.97 = 248,160.74 : x - Step 2: Convert to fraction form
449,364.74/620,126.97 = 248,160.74/x - Step 3: Cross multiply
449,364.74x = 620,126.97 × 248,160.74 - Step 4: Simplify right side
449,364.74x = 153,891,167,769.16 - Step 5: Solve for x
x = 153,891,167,769.16/449,364.74 - Step 6: Final answer
x = 342,463.83
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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.