Finding the Fourth Proportional to 353,163.49, 529,224.15 and 208,920.13
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Solution
The fourth proportional to 353,163.49, 529,224.15 and 208,920.13 is: 313,071.94
Step by Step Solution
- Step 1: Write the proportion equation
353,163.49 : 529,224.15 = 208,920.13 : x - Step 2: Convert to fraction form
353,163.49/529,224.15 = 208,920.13/x - Step 3: Cross multiply
353,163.49x = 529,224.15 × 208,920.13 - Step 4: Simplify right side
353,163.49x = 110,565,578,217.14 - Step 5: Solve for x
x = 110,565,578,217.14/353,163.49 - Step 6: Final answer
x = 313,071.94
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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.