Finding the Fourth Proportional to 396,740.52, 547,581.33 and 235,684.98
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Solution
The fourth proportional to 396,740.52, 547,581.33 and 235,684.98 is: 325,292.45
Step by Step Solution
- Step 1: Write the proportion equation
396,740.52 : 547,581.33 = 235,684.98 : x - Step 2: Convert to fraction form
396,740.52/547,581.33 = 235,684.98/x - Step 3: Cross multiply
396,740.52x = 547,581.33 × 235,684.98 - Step 4: Simplify right side
396,740.52x = 129,056,694,809.42 - Step 5: Solve for x
x = 129,056,694,809.42/396,740.52 - Step 6: Final answer
x = 325,292.45
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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.