Finding the Fourth Proportional to 263,641.63, 396,584.99 and 238,979.48
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Solution
The fourth proportional to 263,641.63, 396,584.99 and 238,979.48 is: 359,486.76
Step by Step Solution
- Step 1: Write the proportion equation
263,641.63 : 396,584.99 = 238,979.48 : x - Step 2: Convert to fraction form
263,641.63/396,584.99 = 238,979.48/x - Step 3: Cross multiply
263,641.63x = 396,584.99 × 238,979.48 - Step 4: Simplify right side
263,641.63x = 94,775,674,635.15 - Step 5: Solve for x
x = 94,775,674,635.15/263,641.63 - Step 6: Final answer
x = 359,486.76
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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.