Finding the Fourth Proportional to 401,939.79, 602,125.99 and 223,910.70
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Solution
The fourth proportional to 401,939.79, 602,125.99 and 223,910.70 is: 335,429.47
Step by Step Solution
- Step 1: Write the proportion equation
401,939.79 : 602,125.99 = 223,910.70 : x - Step 2: Convert to fraction form
401,939.79/602,125.99 = 223,910.70/x - Step 3: Cross multiply
401,939.79x = 602,125.99 × 223,910.70 - Step 4: Simplify right side
401,939.79x = 134,822,449,091.34 - Step 5: Solve for x
x = 134,822,449,091.34/401,939.79 - Step 6: Final answer
x = 335,429.47
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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.