Finding the Fourth Proportional to 417,707.56, 576,420.99 and 226,716.88
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Solution
The fourth proportional to 417,707.56, 576,420.99 and 226,716.88 is: 312,860.91
Step by Step Solution
- Step 1: Write the proportion equation
417,707.56 : 576,420.99 = 226,716.88 : x - Step 2: Convert to fraction form
417,707.56/576,420.99 = 226,716.88/x - Step 3: Cross multiply
417,707.56x = 576,420.99 × 226,716.88 - Step 4: Simplify right side
417,707.56x = 130,684,368,419.31 - Step 5: Solve for x
x = 130,684,368,419.31/417,707.56 - Step 6: Final answer
x = 312,860.91
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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.