Finding the Fourth Proportional to 317,495.20, 476,261.04 and 115,135.36
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Solution
The fourth proportional to 317,495.20, 476,261.04 and 115,135.36 is: 172,709.65
Step by Step Solution
- Step 1: Write the proportion equation
317,495.20 : 476,261.04 = 115,135.36 : x - Step 2: Convert to fraction form
317,495.20/476,261.04 = 115,135.36/x - Step 3: Cross multiply
317,495.20x = 476,261.04 × 115,135.36 - Step 4: Simplify right side
317,495.20x = 54,834,486,294.37 - Step 5: Solve for x
x = 54,834,486,294.37/317,495.20 - Step 6: Final answer
x = 172,709.65
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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.