Finding the Fourth Proportional to 275,289.84, 379,497.80 and 194,574.96
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Solution
The fourth proportional to 275,289.84, 379,497.80 and 194,574.96 is: 268,229.18
Step by Step Solution
- Step 1: Write the proportion equation
275,289.84 : 379,497.80 = 194,574.96 : x - Step 2: Convert to fraction form
275,289.84/379,497.80 = 194,574.96/x - Step 3: Cross multiply
275,289.84x = 379,497.80 × 194,574.96 - Step 4: Simplify right side
275,289.84x = 73,840,769,255.09 - Step 5: Solve for x
x = 73,840,769,255.09/275,289.84 - Step 6: Final answer
x = 268,229.18
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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.