Finding the Fourth Proportional to 329,107.23, 493,839.45 and 139,674.15
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Solution
The fourth proportional to 329,107.23, 493,839.45 and 139,674.15 is: 209,587.03
Step by Step Solution
- Step 1: Write the proportion equation
329,107.23 : 493,839.45 = 139,674.15 : x - Step 2: Convert to fraction form
329,107.23/493,839.45 = 139,674.15/x - Step 3: Cross multiply
329,107.23x = 493,839.45 × 139,674.15 - Step 4: Simplify right side
329,107.23x = 68,976,605,415.22 - Step 5: Solve for x
x = 68,976,605,415.22/329,107.23 - Step 6: Final answer
x = 209,587.03
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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.