Finding the Fourth Proportional to 518,231.71, 777,762.28 and 268,984.99
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Solution
The fourth proportional to 518,231.71, 777,762.28 and 268,984.99 is: 403,692.74
Step by Step Solution
- Step 1: Write the proportion equation
518,231.71 : 777,762.28 = 268,984.99 : x - Step 2: Convert to fraction form
518,231.71/777,762.28 = 268,984.99/x - Step 3: Cross multiply
518,231.71x = 777,762.28 × 268,984.99 - Step 4: Simplify right side
518,231.71x = 209,206,375,219.37 - Step 5: Solve for x
x = 209,206,375,219.37/518,231.71 - Step 6: Final answer
x = 403,692.74
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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.