Finding the Fourth Proportional to 331,337.40, 497,006.10 and 242,107.80
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Solution
The fourth proportional to 331,337.40, 497,006.10 and 242,107.80 is: 363,161.70
Step by Step Solution
- Step 1: Write the proportion equation
331,337.40 : 497,006.10 = 242,107.80 : x - Step 2: Convert to fraction form
331,337.40/497,006.10 = 242,107.80/x - Step 3: Cross multiply
331,337.40x = 497,006.10 × 242,107.80 - Step 4: Simplify right side
331,337.40x = 120,329,053,457.58 - Step 5: Solve for x
x = 120,329,053,457.58/331,337.40 - Step 6: Final answer
x = 363,161.70
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1.5x scale
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.