Finding the Fourth Proportional to 252,283.23, 348,146.37 and 137,562.75
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Solution
The fourth proportional to 252,283.23, 348,146.37 and 137,562.75 is: 189,834.15
Step by Step Solution
- Step 1: Write the proportion equation
252,283.23 : 348,146.37 = 137,562.75 : x - Step 2: Convert to fraction form
252,283.23/348,146.37 = 137,562.75/x - Step 3: Cross multiply
252,283.23x = 348,146.37 × 137,562.75 - Step 4: Simplify right side
252,283.23x = 47,891,972,059.72 - Step 5: Solve for x
x = 47,891,972,059.72/252,283.23 - Step 6: Final answer
x = 189,834.15
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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.