Finding the Fourth Proportional to 247,419.36, 341,429.58 and 134,239.68
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Solution
The fourth proportional to 247,419.36, 341,429.58 and 134,239.68 is: 185,245.80
Step by Step Solution
- Step 1: Write the proportion equation
247,419.36 : 341,429.58 = 134,239.68 : x - Step 2: Convert to fraction form
247,419.36/341,429.58 = 134,239.68/x - Step 3: Cross multiply
247,419.36x = 341,429.58 × 134,239.68 - Step 4: Simplify right side
247,419.36x = 45,833,397,561.73 - Step 5: Solve for x
x = 45,833,397,561.73/247,419.36 - Step 6: Final answer
x = 185,245.80
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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.