Finding the Fourth Proportional to 247,717.20, 341,844.12 and 134,537.52
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Solution
The fourth proportional to 247,717.20, 341,844.12 and 134,537.52 is: 185,658.73
Step by Step Solution
- Step 1: Write the proportion equation
247,717.20 : 341,844.12 = 134,537.52 : x - Step 2: Convert to fraction form
247,717.20/341,844.12 = 134,537.52/x - Step 3: Cross multiply
247,717.20x = 341,844.12 × 134,537.52 - Step 4: Simplify right side
247,717.20x = 45,990,860,131.38 - Step 5: Solve for x
x = 45,990,860,131.38/247,717.20 - Step 6: Final answer
x = 185,658.73
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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.