Finding the Fourth Proportional to 236,588.55, 326,497.14 and 129,163.11
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Solution
The fourth proportional to 236,588.55, 326,497.14 and 129,163.11 is: 178,247.79
Step by Step Solution
- Step 1: Write the proportion equation
236,588.55 : 326,497.14 = 129,163.11 : x - Step 2: Convert to fraction form
236,588.55/326,497.14 = 129,163.11/x - Step 3: Cross multiply
236,588.55x = 326,497.14 × 129,163.11 - Step 4: Simplify right side
236,588.55x = 42,171,386,008.51 - Step 5: Solve for x
x = 42,171,386,008.51/236,588.55 - Step 6: Final answer
x = 178,247.79
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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.