Finding the Fourth Proportional to 102,382.00, 141,298.63 and 57,064.12
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Solution
The fourth proportional to 102,382.00, 141,298.63 and 57,064.12 is: 78,754.88
Step by Step Solution
- Step 1: Write the proportion equation
102,382.00 : 141,298.63 = 57,064.12 : x - Step 2: Convert to fraction form
102,382.00/141,298.63 = 57,064.12/x - Step 3: Cross multiply
102,382.00x = 141,298.63 × 57,064.12 - Step 4: Simplify right side
102,382.00x = 8,063,081,482.25 - Step 5: Solve for x
x = 8,063,081,482.25/102,382.00 - Step 6: Final answer
x = 78,754.88
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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.