Finding the Fourth Proportional to 513,423.44, 769,971.36 and 176,382.80
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Solution
The fourth proportional to 513,423.44, 769,971.36 and 176,382.80 is: 264,517.93
Step by Step Solution
- Step 1: Write the proportion equation
513,423.44 : 769,971.36 = 176,382.80 : x - Step 2: Convert to fraction form
513,423.44/769,971.36 = 176,382.80/x - Step 3: Cross multiply
513,423.44x = 769,971.36 × 176,382.80 - Step 4: Simplify right side
513,423.44x = 135,809,704,396.61 - Step 5: Solve for x
x = 135,809,704,396.61/513,423.44 - Step 6: Final answer
x = 264,517.93
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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.