Finding the Fourth Proportional to 247,419.12, 341,436.84 and 134,239.44
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Solution
The fourth proportional to 247,419.12, 341,436.84 and 134,239.44 is: 185,249.59
Step by Step Solution
- Step 1: Write the proportion equation
247,419.12 : 341,436.84 = 134,239.44 : x - Step 2: Convert to fraction form
247,419.12/341,436.84 = 134,239.44/x - Step 3: Cross multiply
247,419.12x = 341,436.84 × 134,239.44 - Step 4: Simplify right side
247,419.12x = 45,834,290,196.97 - Step 5: Solve for x
x = 45,834,290,196.97/247,419.12 - Step 6: Final answer
x = 185,249.59
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1.5x scale
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.