Finding the Fourth Proportional to 247,620.30, 341,715.99 and 134,443.05
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Solution
The fourth proportional to 247,620.30, 341,715.99 and 134,443.05 is: 185,531.40
Step by Step Solution
- Step 1: Write the proportion equation
247,620.30 : 341,715.99 = 134,443.05 : x - Step 2: Convert to fraction form
247,620.30/341,715.99 = 134,443.05/x - Step 3: Cross multiply
247,620.30x = 341,715.99 × 134,443.05 - Step 4: Simplify right side
247,620.30x = 45,941,339,929.37 - Step 5: Solve for x
x = 45,941,339,929.37/247,620.30 - Step 6: Final answer
x = 185,531.40
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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.