Finding the Fourth Proportional to 357,533.37, 493,382.81 and 196,378.82
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Solution
The fourth proportional to 357,533.37, 493,382.81 and 196,378.82 is: 270,995.49
Step by Step Solution
- Step 1: Write the proportion equation
357,533.37 : 493,382.81 = 196,378.82 : x - Step 2: Convert to fraction form
357,533.37/493,382.81 = 196,378.82/x - Step 3: Cross multiply
357,533.37x = 493,382.81 × 196,378.82 - Step 4: Simplify right side
357,533.37x = 96,889,930,587.28 - Step 5: Solve for x
x = 96,889,930,587.28/357,533.37 - Step 6: Final answer
x = 270,995.49
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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.