Finding the Fourth Proportional to 303,369.96, 417,966.84 and 211,402.56
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Solution
The fourth proportional to 303,369.96, 417,966.84 and 211,402.56 is: 291,259.09
Step by Step Solution
- Step 1: Write the proportion equation
303,369.96 : 417,966.84 = 211,402.56 : x - Step 2: Convert to fraction form
303,369.96/417,966.84 = 211,402.56/x - Step 3: Cross multiply
303,369.96x = 417,966.84 × 211,402.56 - Step 4: Simplify right side
303,369.96x = 88,359,259,971.11 - Step 5: Solve for x
x = 88,359,259,971.11/303,369.96 - Step 6: Final answer
x = 291,259.09
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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.