Finding the Fourth Proportional to 122,473.75, 183,741.35 and 34,921.75
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Solution
The fourth proportional to 122,473.75, 183,741.35 and 34,921.75 is: 52,391.39
Step by Step Solution
- Step 1: Write the proportion equation
122,473.75 : 183,741.35 = 34,921.75 : x - Step 2: Convert to fraction form
122,473.75/183,741.35 = 34,921.75/x - Step 3: Cross multiply
122,473.75x = 183,741.35 × 34,921.75 - Step 4: Simplify right side
122,473.75x = 6,416,569,489.36 - Step 5: Solve for x
x = 6,416,569,489.36/122,473.75 - Step 6: Final answer
x = 52,391.39
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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.