Finding the Fourth Proportional to 417,655.67, 576,365.11 and 226,669.05
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Solution
The fourth proportional to 417,655.67, 576,365.11 and 226,669.05 is: 312,803.45
Step by Step Solution
- Step 1: Write the proportion equation
417,655.67 : 576,365.11 = 226,669.05 : x - Step 2: Convert to fraction form
417,655.67/576,365.11 = 226,669.05/x - Step 3: Cross multiply
417,655.67x = 576,365.11 × 226,669.05 - Step 4: Simplify right side
417,655.67x = 130,644,131,370.17 - Step 5: Solve for x
x = 130,644,131,370.17/417,655.67 - Step 6: Final answer
x = 312,803.45
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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.