Finding the Fourth Proportional to 417,707.64, 576,421.11 and 226,716.93
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Solution
The fourth proportional to 417,707.64, 576,421.11 and 226,716.93 is: 312,860.99
Step by Step Solution
- Step 1: Write the proportion equation
417,707.64 : 576,421.11 = 226,716.93 : x - Step 2: Convert to fraction form
417,707.64/576,421.11 = 226,716.93/x - Step 3: Cross multiply
417,707.64x = 576,421.11 × 226,716.93 - Step 4: Simplify right side
417,707.64x = 130,684,424,446.39 - Step 5: Solve for x
x = 130,684,424,446.39/417,707.64 - Step 6: Final answer
x = 312,860.99
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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.