Finding the Fourth Proportional to 261,853.63, 361,373.49 and 197,208.84
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Solution
The fourth proportional to 261,853.63, 361,373.49 and 197,208.84 is: 272,159.86
Step by Step Solution
- Step 1: Write the proportion equation
261,853.63 : 361,373.49 = 197,208.84 : x - Step 2: Convert to fraction form
261,853.63/361,373.49 = 197,208.84/x - Step 3: Cross multiply
261,853.63x = 361,373.49 × 197,208.84 - Step 4: Simplify right side
261,853.63x = 71,266,046,769.65 - Step 5: Solve for x
x = 71,266,046,769.65/261,853.63 - Step 6: Final answer
x = 272,159.86
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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.