Finding the Fourth Proportional to 158,612.88, 237,981.59 and 69,804.09
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Solution
The fourth proportional to 158,612.88, 237,981.59 and 69,804.09 is: 104,733.54
Step by Step Solution
- Step 1: Write the proportion equation
158,612.88 : 237,981.59 = 69,804.09 : x - Step 2: Convert to fraction form
158,612.88/237,981.59 = 69,804.09/x - Step 3: Cross multiply
158,612.88x = 237,981.59 × 69,804.09 - Step 4: Simplify right side
158,612.88x = 16,612,088,326.70 - Step 5: Solve for x
x = 16,612,088,326.70/158,612.88 - Step 6: Final answer
x = 104,733.54
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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.