Finding the Fourth Proportional to 122,371.74, 183,557.61 and 43,489.08
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Solution
The fourth proportional to 122,371.74, 183,557.61 and 43,489.08 is: 65,233.62
Step by Step Solution
- Step 1: Write the proportion equation
122,371.74 : 183,557.61 = 43,489.08 : x - Step 2: Convert to fraction form
122,371.74/183,557.61 = 43,489.08/x - Step 3: Cross multiply
122,371.74x = 183,557.61 × 43,489.08 - Step 4: Simplify right side
122,371.74x = 7,982,751,585.90 - Step 5: Solve for x
x = 7,982,751,585.90/122,371.74 - Step 6: Final answer
x = 65,233.62
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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.