Finding the Fourth Proportional to 353,252.81, 487,486.49 and 192,107.43
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Solution
The fourth proportional to 353,252.81, 487,486.49 and 192,107.43 is: 265,106.95
Step by Step Solution
- Step 1: Write the proportion equation
353,252.81 : 487,486.49 = 192,107.43 : x - Step 2: Convert to fraction form
353,252.81/487,486.49 = 192,107.43/x - Step 3: Cross multiply
353,252.81x = 487,486.49 × 192,107.43 - Step 4: Simplify right side
353,252.81x = 93,649,775,793.08 - Step 5: Solve for x
x = 93,649,775,793.08/353,252.81 - Step 6: Final answer
x = 265,106.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.