Finding the Fourth Proportional to 518,232.21, 777,763.03 and 268,985.49
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Solution
The fourth proportional to 518,232.21, 777,763.03 and 268,985.49 is: 403,693.49
Step by Step Solution
- Step 1: Write the proportion equation
518,232.21 : 777,763.03 = 268,985.49 : x - Step 2: Convert to fraction form
518,232.21/777,763.03 = 268,985.49/x - Step 3: Cross multiply
518,232.21x = 777,763.03 × 268,985.49 - Step 4: Simplify right side
518,232.21x = 209,206,965,839.62 - Step 5: Solve for x
x = 209,206,965,839.62/518,232.21 - Step 6: Final answer
x = 403,693.49
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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.