Finding the Fourth Proportional to 396,264.18, 594,629.55 and 147,121.14
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Solution
The fourth proportional to 396,264.18, 594,629.55 and 147,121.14 is: 220,768.32
Step by Step Solution
- Step 1: Write the proportion equation
396,264.18 : 594,629.55 = 147,121.14 : x - Step 2: Convert to fraction form
396,264.18/594,629.55 = 147,121.14/x - Step 3: Cross multiply
396,264.18x = 594,629.55 × 147,121.14 - Step 4: Simplify right side
396,264.18x = 87,482,577,273.69 - Step 5: Solve for x
x = 87,482,577,273.69/396,264.18 - Step 6: Final answer
x = 220,768.32
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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.