Finding the Fourth Proportional to 251,557.71, 377,339.20 and 74,068.08
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Solution
The fourth proportional to 251,557.71, 377,339.20 and 74,068.08 is: 111,102.90
Step by Step Solution
- Step 1: Write the proportion equation
251,557.71 : 377,339.20 = 74,068.08 : x - Step 2: Convert to fraction form
251,557.71/377,339.20 = 74,068.08/x - Step 3: Cross multiply
251,557.71x = 377,339.20 × 74,068.08 - Step 4: Simplify right side
251,557.71x = 27,948,790,052.74 - Step 5: Solve for x
x = 27,948,790,052.74/251,557.71 - Step 6: Final answer
x = 111,102.90
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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.