Finding the Fourth Proportional to 121,437.23, 182,155.84 and 32,699.70
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Solution
The fourth proportional to 121,437.23, 182,155.84 and 32,699.70 is: 49,049.55
Step by Step Solution
- Step 1: Write the proportion equation
121,437.23 : 182,155.84 = 32,699.70 : x - Step 2: Convert to fraction form
121,437.23/182,155.84 = 32,699.70/x - Step 3: Cross multiply
121,437.23x = 182,155.84 × 32,699.70 - Step 4: Simplify right side
121,437.23x = 5,956,441,239.50 - Step 5: Solve for x
x = 5,956,441,239.50/121,437.23 - Step 6: Final answer
x = 49,049.55
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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.