Finding the Fourth Proportional to 211,794.18, 317,597.97 and 99,506.31
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Solution
The fourth proportional to 211,794.18, 317,597.97 and 99,506.31 is: 149,215.63
Step by Step Solution
- Step 1: Write the proportion equation
211,794.18 : 317,597.97 = 99,506.31 : x - Step 2: Convert to fraction form
211,794.18/317,597.97 = 99,506.31/x - Step 3: Cross multiply
211,794.18x = 317,597.97 × 99,506.31 - Step 4: Simplify right side
211,794.18x = 31,603,002,058.19 - Step 5: Solve for x
x = 31,603,002,058.19/211,794.18 - Step 6: Final answer
x = 149,215.63
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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.