Finding the Fourth Proportional to 251,491.60, 377,107.80 and 93,638.80
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Solution
The fourth proportional to 251,491.60, 377,107.80 and 93,638.80 is: 140,409.95
Step by Step Solution
- Step 1: Write the proportion equation
251,491.60 : 377,107.80 = 93,638.80 : x - Step 2: Convert to fraction form
251,491.60/377,107.80 = 93,638.80/x - Step 3: Cross multiply
251,491.60x = 377,107.80 × 93,638.80 - Step 4: Simplify right side
251,491.60x = 35,311,921,862.64 - Step 5: Solve for x
x = 35,311,921,862.64/251,491.60 - Step 6: Final answer
x = 140,409.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.