Finding the Fourth Proportional to 243,382.24, 335,866.06 and 135,951.94
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Solution
The fourth proportional to 243,382.24, 335,866.06 and 135,951.94 is: 187,612.88
Step by Step Solution
- Step 1: Write the proportion equation
243,382.24 : 335,866.06 = 135,951.94 : x - Step 2: Convert to fraction form
243,382.24/335,866.06 = 135,951.94/x - Step 3: Cross multiply
243,382.24x = 335,866.06 × 135,951.94 - Step 4: Simplify right side
243,382.24x = 45,661,642,437.16 - Step 5: Solve for x
x = 45,661,642,437.16/243,382.24 - Step 6: Final answer
x = 187,612.88
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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.