Finding the Fourth Proportional to 402,520.80, 603,694.80 and 177,880.80
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Solution
The fourth proportional to 402,520.80, 603,694.80 and 177,880.80 is: 266,783.02
Step by Step Solution
- Step 1: Write the proportion equation
402,520.80 : 603,694.80 = 177,880.80 : x - Step 2: Convert to fraction form
402,520.80/603,694.80 = 177,880.80/x - Step 3: Cross multiply
402,520.80x = 603,694.80 × 177,880.80 - Step 4: Simplify right side
402,520.80x = 107,385,713,979.84 - Step 5: Solve for x
x = 107,385,713,979.84/402,520.80 - Step 6: Final answer
x = 266,783.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.