Finding the Fourth Proportional to 77,277.11, 115,916.27 and 27,357.41
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Solution
The fourth proportional to 77,277.11, 115,916.27 and 27,357.41 is: 41,036.33
Step by Step Solution
- Step 1: Write the proportion equation
77,277.11 : 115,916.27 = 27,357.41 : x - Step 2: Convert to fraction form
77,277.11/115,916.27 = 27,357.41/x - Step 3: Cross multiply
77,277.11x = 115,916.27 × 27,357.41 - Step 4: Simplify right side
77,277.11x = 3,171,169,077.06 - Step 5: Solve for x
x = 3,171,169,077.06/77,277.11 - Step 6: Final answer
x = 41,036.33
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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.