Finding the Fourth Proportional to 246,327.66, 339,925.41 and 138,896.82
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Solution
The fourth proportional to 246,327.66, 339,925.41 and 138,896.82 is: 191,673.80
Step by Step Solution
- Step 1: Write the proportion equation
246,327.66 : 339,925.41 = 138,896.82 : x - Step 2: Convert to fraction form
246,327.66/339,925.41 = 138,896.82/x - Step 3: Cross multiply
246,327.66x = 339,925.41 × 138,896.82 - Step 4: Simplify right side
246,327.66x = 47,214,558,486.20 - Step 5: Solve for x
x = 47,214,558,486.20/246,327.66 - Step 6: Final answer
x = 191,673.80
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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.