Finding the Fourth Proportional to 396,776.73, 547,639.08 and 260,823.24
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Solution
The fourth proportional to 396,776.73, 547,639.08 and 260,823.24 is: 359,993.39
Step by Step Solution
- Step 1: Write the proportion equation
396,776.73 : 547,639.08 = 260,823.24 : x - Step 2: Convert to fraction form
396,776.73/547,639.08 = 260,823.24/x - Step 3: Cross multiply
396,776.73x = 547,639.08 × 260,823.24 - Step 4: Simplify right side
396,776.73x = 142,836,998,218.13 - Step 5: Solve for x
x = 142,836,998,218.13/396,776.73 - Step 6: Final answer
x = 359,993.39
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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.