Finding the Fourth Proportional to 645,182.99, 967,711.94 and 195,907.80
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Solution
The fourth proportional to 645,182.99, 967,711.94 and 195,907.80 is: 293,842.71
Step by Step Solution
- Step 1: Write the proportion equation
645,182.99 : 967,711.94 = 195,907.80 : x - Step 2: Convert to fraction form
645,182.99/967,711.94 = 195,907.80/x - Step 3: Cross multiply
645,182.99x = 967,711.94 × 195,907.80 - Step 4: Simplify right side
645,182.99x = 189,582,320,583.17 - Step 5: Solve for x
x = 189,582,320,583.17/645,182.99 - Step 6: Final answer
x = 293,842.71
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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.