Finding the Fourth Proportional to 246,354.72, 339,968.12 and 138,925.68
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Solution
The fourth proportional to 246,354.72, 339,968.12 and 138,925.68 is: 191,716.65
Step by Step Solution
- Step 1: Write the proportion equation
246,354.72 : 339,968.12 = 138,925.68 : x - Step 2: Convert to fraction form
246,354.72/339,968.12 = 138,925.68/x - Step 3: Cross multiply
246,354.72x = 339,968.12 × 138,925.68 - Step 4: Simplify right side
246,354.72x = 47,230,302,249.32 - Step 5: Solve for x
x = 47,230,302,249.32/246,354.72 - Step 6: Final answer
x = 191,716.65
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1.5x scale
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.