Finding the Fourth Proportional to 388,126.35, 582,214.23 and 121,897.37
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Solution
The fourth proportional to 388,126.35, 582,214.23 and 121,897.37 is: 182,853.82
Step by Step Solution
- Step 1: Write the proportion equation
388,126.35 : 582,214.23 = 121,897.37 : x - Step 2: Convert to fraction form
388,126.35/582,214.23 = 121,897.37/x - Step 3: Cross multiply
388,126.35x = 582,214.23 × 121,897.37 - Step 4: Simplify right side
388,126.35x = 70,970,384,869.11 - Step 5: Solve for x
x = 70,970,384,869.11/388,126.35 - Step 6: Final answer
x = 182,853.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.