Finding the Fourth Proportional to 366,935.20, 550,402.80 and 331,505.80
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Solution
The fourth proportional to 366,935.20, 550,402.80 and 331,505.80 is: 497,258.70
Step by Step Solution
- Step 1: Write the proportion equation
366,935.20 : 550,402.80 = 331,505.80 : x - Step 2: Convert to fraction form
366,935.20/550,402.80 = 331,505.80/x - Step 3: Cross multiply
366,935.20x = 550,402.80 × 331,505.80 - Step 4: Simplify right side
366,935.20x = 182,461,720,536.24 - Step 5: Solve for x
x = 182,461,720,536.24/366,935.20 - Step 6: Final answer
x = 497,258.70
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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.