Finding the Fourth Proportional to 299,279.40, 448,919.10 and 246,135.30
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Solution
The fourth proportional to 299,279.40, 448,919.10 and 246,135.30 is: 369,202.95
Step by Step Solution
- Step 1: Write the proportion equation
299,279.40 : 448,919.10 = 246,135.30 : x - Step 2: Convert to fraction form
299,279.40/448,919.10 = 246,135.30/x - Step 3: Cross multiply
299,279.40x = 448,919.10 × 246,135.30 - Step 4: Simplify right side
299,279.40x = 110,494,837,354.23 - Step 5: Solve for x
x = 110,494,837,354.23/299,279.40 - Step 6: Final answer
x = 369,202.95
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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.