Finding the Fourth Proportional to 556,880.16, 768,495.16 and 302,231.42
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Solution
The fourth proportional to 556,880.16, 768,495.16 and 302,231.42 is: 417,079.65
Step by Step Solution
- Step 1: Write the proportion equation
556,880.16 : 768,495.16 = 302,231.42 : x - Step 2: Convert to fraction form
556,880.16/768,495.16 = 302,231.42/x - Step 3: Cross multiply
556,880.16x = 768,495.16 × 302,231.42 - Step 4: Simplify right side
556,880.16x = 232,263,383,469.93 - Step 5: Solve for x
x = 232,263,383,469.93/556,880.16 - Step 6: Final answer
x = 417,079.65
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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.