Finding the Fourth Proportional to 252,091.44, 347,881.71 and 137,371.08
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Solution
The fourth proportional to 252,091.44, 347,881.71 and 137,371.08 is: 189,569.65
Step by Step Solution
- Step 1: Write the proportion equation
252,091.44 : 347,881.71 = 137,371.08 : x - Step 2: Convert to fraction form
252,091.44/347,881.71 = 137,371.08/x - Step 3: Cross multiply
252,091.44x = 347,881.71 × 137,371.08 - Step 4: Simplify right side
252,091.44x = 47,788,886,214.95 - Step 5: Solve for x
x = 47,788,886,214.95/252,091.44 - Step 6: Final answer
x = 189,569.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.