Finding the Fourth Proportional to 121,199.06, 181,811.00 and 46,382.13
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Solution
The fourth proportional to 121,199.06, 181,811.00 and 46,382.13 is: 69,577.95
Step by Step Solution
- Step 1: Write the proportion equation
121,199.06 : 181,811.00 = 46,382.13 : x - Step 2: Convert to fraction form
121,199.06/181,811.00 = 46,382.13/x - Step 3: Cross multiply
121,199.06x = 181,811.00 × 46,382.13 - Step 4: Simplify right side
121,199.06x = 8,432,781,205.52 - Step 5: Solve for x
x = 8,432,781,205.52/121,199.06 - Step 6: Final answer
x = 69,577.95
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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.