Finding the Fourth Proportional to 251,843.70, 377,806.56 and 74,368.65
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Solution
The fourth proportional to 251,843.70, 377,806.56 and 74,368.65 is: 111,565.09
Step by Step Solution
- Step 1: Write the proportion equation
251,843.70 : 377,806.56 = 74,368.65 : x - Step 2: Convert to fraction form
251,843.70/377,806.56 = 74,368.65/x - Step 3: Cross multiply
251,843.70x = 377,806.56 × 74,368.65 - Step 4: Simplify right side
251,843.70x = 28,096,963,828.34 - Step 5: Solve for x
x = 28,096,963,828.34/251,843.70 - Step 6: Final answer
x = 111,565.09
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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.