Finding the Fourth Proportional to 121,408.03, 182,113.80 and 46,531.99
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Solution
The fourth proportional to 121,408.03, 182,113.80 and 46,531.99 is: 69,798.66
Step by Step Solution
- Step 1: Write the proportion equation
121,408.03 : 182,113.80 = 46,531.99 : x - Step 2: Convert to fraction form
121,408.03/182,113.80 = 46,531.99/x - Step 3: Cross multiply
121,408.03x = 182,113.80 × 46,531.99 - Step 4: Simplify right side
121,408.03x = 8,474,117,520.46 - Step 5: Solve for x
x = 8,474,117,520.46/121,408.03 - Step 6: Final answer
x = 69,798.66
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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.