Finding the Fourth Proportional to 216,433.14, 324,649.71 and 58,661.59
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Solution
The fourth proportional to 216,433.14, 324,649.71 and 58,661.59 is: 87,992.39
Step by Step Solution
- Step 1: Write the proportion equation
216,433.14 : 324,649.71 = 58,661.59 : x - Step 2: Convert to fraction form
216,433.14/324,649.71 = 58,661.59/x - Step 3: Cross multiply
216,433.14x = 324,649.71 × 58,661.59 - Step 4: Simplify right side
216,433.14x = 19,044,468,181.64 - Step 5: Solve for x
x = 19,044,468,181.64/216,433.14 - Step 6: Final answer
x = 87,992.39
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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.