Finding the Fourth Proportional to 144,618.40, 216,927.60 and 122,529.70
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Solution
The fourth proportional to 144,618.40, 216,927.60 and 122,529.70 is: 183,794.55
Step by Step Solution
- Step 1: Write the proportion equation
144,618.40 : 216,927.60 = 122,529.70 : x - Step 2: Convert to fraction form
144,618.40/216,927.60 = 122,529.70/x - Step 3: Cross multiply
144,618.40x = 216,927.60 × 122,529.70 - Step 4: Simplify right side
144,618.40x = 26,580,073,749.72 - Step 5: Solve for x
x = 26,580,073,749.72/144,618.40 - Step 6: Final answer
x = 183,794.55
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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.