Finding the Fourth Proportional to 246,211.66, 339,767.34 and 138,779.62
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Solution
The fourth proportional to 246,211.66, 339,767.34 and 138,779.62 is: 191,513.20
Step by Step Solution
- Step 1: Write the proportion equation
246,211.66 : 339,767.34 = 138,779.62 : x - Step 2: Convert to fraction form
246,211.66/339,767.34 = 138,779.62/x - Step 3: Cross multiply
246,211.66x = 339,767.34 × 138,779.62 - Step 4: Simplify right side
246,211.66x = 47,152,782,333.61 - Step 5: Solve for x
x = 47,152,782,333.61/246,211.66 - Step 6: Final answer
x = 191,513.20
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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.