Finding the Fourth Proportional to 263,497.40, 395,186.98 and 121,206.03
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Solution
The fourth proportional to 263,497.40, 395,186.98 and 121,206.03 is: 181,781.85
Step by Step Solution
- Step 1: Write the proportion equation
263,497.40 : 395,186.98 = 121,206.03 : x - Step 2: Convert to fraction form
263,497.40/395,186.98 = 121,206.03/x - Step 3: Cross multiply
263,497.40x = 395,186.98 × 121,206.03 - Step 4: Simplify right side
263,497.40x = 47,899,044,953.49 - Step 5: Solve for x
x = 47,899,044,953.49/263,497.40 - Step 6: Final answer
x = 181,781.85
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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.