Finding the Fourth Proportional to 236,820.05, 326,807.84 and 129,387.77
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Solution
The fourth proportional to 236,820.05, 326,807.84 and 129,387.77 is: 178,553.02
Step by Step Solution
- Step 1: Write the proportion equation
236,820.05 : 326,807.84 = 129,387.77 : x - Step 2: Convert to fraction form
236,820.05/326,807.84 = 129,387.77/x - Step 3: Cross multiply
236,820.05x = 326,807.84 × 129,387.77 - Step 4: Simplify right side
236,820.05x = 42,284,935,355.14 - Step 5: Solve for x
x = 42,284,935,355.14/236,820.05 - Step 6: Final answer
x = 178,553.02
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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.