Finding the Fourth Proportional to 417,721.05, 576,356.22 and 236,432.96
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Solution
The fourth proportional to 417,721.05, 576,356.22 and 236,432.96 is: 326,221.54
Step by Step Solution
- Step 1: Write the proportion equation
417,721.05 : 576,356.22 = 236,432.96 : x - Step 2: Convert to fraction form
417,721.05/576,356.22 = 236,432.96/x - Step 3: Cross multiply
417,721.05x = 576,356.22 × 236,432.96 - Step 4: Simplify right side
417,721.05x = 136,269,604,227.23 - Step 5: Solve for x
x = 136,269,604,227.23/417,721.05 - Step 6: Final answer
x = 326,221.54
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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.