Finding the Fourth Proportional to 556,786.35, 768,367.14 and 302,137.54
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Solution
The fourth proportional to 556,786.35, 768,367.14 and 302,137.54 is: 416,950.88
Step by Step Solution
- Step 1: Write the proportion equation
556,786.35 : 768,367.14 = 302,137.54 : x - Step 2: Convert to fraction form
556,786.35/768,367.14 = 302,137.54/x - Step 3: Cross multiply
556,786.35x = 768,367.14 × 302,137.54 - Step 4: Simplify right side
556,786.35x = 232,152,557,496.44 - Step 5: Solve for x
x = 232,152,557,496.44/556,786.35 - Step 6: Final answer
x = 416,950.88
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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.