Finding the Fourth Proportional to 226,635.60, 339,985.80 and 76,882.80
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Solution
The fourth proportional to 226,635.60, 339,985.80 and 76,882.80 is: 115,335.19
Step by Step Solution
- Step 1: Write the proportion equation
226,635.60 : 339,985.80 = 76,882.80 : x - Step 2: Convert to fraction form
226,635.60/339,985.80 = 76,882.80/x - Step 3: Cross multiply
226,635.60x = 339,985.80 × 76,882.80 - Step 4: Simplify right side
226,635.60x = 26,139,060,264.24 - Step 5: Solve for x
x = 26,139,060,264.24/226,635.60 - Step 6: Final answer
x = 115,335.19
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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.