Finding the Fourth Proportional to 114,727.81, 158,269.19 and 74,454.21
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Solution
The fourth proportional to 114,727.81, 158,269.19 and 74,454.21 is: 102,710.99
Step by Step Solution
- Step 1: Write the proportion equation
114,727.81 : 158,269.19 = 74,454.21 : x - Step 2: Convert to fraction form
114,727.81/158,269.19 = 74,454.21/x - Step 3: Cross multiply
114,727.81x = 158,269.19 × 74,454.21 - Step 4: Simplify right side
114,727.81x = 11,783,806,717.44 - Step 5: Solve for x
x = 11,783,806,717.44/114,727.81 - Step 6: Final answer
x = 102,710.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.