Finding the Fourth Proportional to 246,323.91, 339,898.12 and 138,887.54
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Solution
The fourth proportional to 246,323.91, 339,898.12 and 138,887.54 is: 191,648.52
Step by Step Solution
- Step 1: Write the proportion equation
246,323.91 : 339,898.12 = 138,887.54 : x - Step 2: Convert to fraction form
246,323.91/339,898.12 = 138,887.54/x - Step 3: Cross multiply
246,323.91x = 339,898.12 × 138,887.54 - Step 4: Simplify right side
246,323.91x = 47,207,611,690.72 - Step 5: Solve for x
x = 47,207,611,690.72/246,323.91 - Step 6: Final answer
x = 191,648.52
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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.