Finding the Fourth Proportional to 417,658.86, 576,368.99 and 236,367.49
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Solution
The fourth proportional to 417,658.86, 576,368.99 and 236,367.49 is: 326,187.00
Step by Step Solution
- Step 1: Write the proportion equation
417,658.86 : 576,368.99 = 236,367.49 : x - Step 2: Convert to fraction form
417,658.86/576,368.99 = 236,367.49/x - Step 3: Cross multiply
417,658.86x = 576,368.99 × 236,367.49 - Step 4: Simplify right side
417,658.86x = 136,234,891,480.14 - Step 5: Solve for x
x = 136,234,891,480.14/417,658.86 - Step 6: Final answer
x = 326,187.00
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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.