Finding the Fourth Proportional to 121,265.87, 181,898.81 and 46,408.95
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Solution
The fourth proportional to 121,265.87, 181,898.81 and 46,408.95 is: 69,613.43
Step by Step Solution
- Step 1: Write the proportion equation
121,265.87 : 181,898.81 = 46,408.95 : x - Step 2: Convert to fraction form
121,265.87/181,898.81 = 46,408.95/x - Step 3: Cross multiply
121,265.87x = 181,898.81 × 46,408.95 - Step 4: Simplify right side
121,265.87x = 8,441,732,546.30 - Step 5: Solve for x
x = 8,441,732,546.30/121,265.87 - Step 6: Final answer
x = 69,613.43
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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.