Finding the Fourth Proportional to 417,726.60, 576,465.60 and 226,739.94
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Solution
The fourth proportional to 417,726.60, 576,465.60 and 226,739.94 is: 312,902.69
Step by Step Solution
- Step 1: Write the proportion equation
417,726.60 : 576,465.60 = 226,739.94 : x - Step 2: Convert to fraction form
417,726.60/576,465.60 = 226,739.94/x - Step 3: Cross multiply
417,726.60x = 576,465.60 × 226,739.94 - Step 4: Simplify right side
417,726.60x = 130,707,775,556.06 - Step 5: Solve for x
x = 130,707,775,556.06/417,726.60 - Step 6: Final answer
x = 312,902.69
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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.