Finding the Fourth Proportional to 251,718.36, 377,577.08 and 74,349.92
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Solution
The fourth proportional to 251,718.36, 377,577.08 and 74,349.92 is: 111,524.74
Step by Step Solution
- Step 1: Write the proportion equation
251,718.36 : 377,577.08 = 74,349.92 : x - Step 2: Convert to fraction form
251,718.36/377,577.08 = 74,349.92/x - Step 3: Cross multiply
251,718.36x = 377,577.08 × 74,349.92 - Step 4: Simplify right side
251,718.36x = 28,072,825,320.08 - Step 5: Solve for x
x = 28,072,825,320.08/251,718.36 - Step 6: Final answer
x = 111,524.74
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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.