Finding the Fourth Proportional to 617,642.09, 926,537.89 and 218,201.12
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Solution
The fourth proportional to 617,642.09, 926,537.89 and 218,201.12 is: 327,328.09
Step by Step Solution
- Step 1: Write the proportion equation
617,642.09 : 926,537.89 = 218,201.12 : x - Step 2: Convert to fraction form
617,642.09/926,537.89 = 218,201.12/x - Step 3: Cross multiply
617,642.09x = 926,537.89 × 218,201.12 - Step 4: Simplify right side
617,642.09x = 202,171,604,229.43 - Step 5: Solve for x
x = 202,171,604,229.43/617,642.09 - Step 6: Final answer
x = 327,328.09
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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.