Finding the Fourth Proportional to 121,207.40, 181,797.18 and 46,325.88
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Solution
The fourth proportional to 121,207.40, 181,797.18 and 46,325.88 is: 69,483.50
Step by Step Solution
- Step 1: Write the proportion equation
121,207.40 : 181,797.18 = 46,325.88 : x - Step 2: Convert to fraction form
121,207.40/181,797.18 = 46,325.88/x - Step 3: Cross multiply
121,207.40x = 181,797.18 × 46,325.88 - Step 4: Simplify right side
121,207.40x = 8,421,914,345.02 - Step 5: Solve for x
x = 8,421,914,345.02/121,207.40 - Step 6: Final answer
x = 69,483.50
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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.