Finding the Fourth Proportional to 243,647.87, 336,216.99 and 141,666.09
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Solution
The fourth proportional to 243,647.87, 336,216.99 and 141,666.09 is: 195,489.28
Step by Step Solution
- Step 1: Write the proportion equation
243,647.87 : 336,216.99 = 141,666.09 : x - Step 2: Convert to fraction form
243,647.87/336,216.99 = 141,666.09/x - Step 3: Cross multiply
243,647.87x = 336,216.99 × 141,666.09 - Step 4: Simplify right side
243,647.87x = 47,630,546,364.87 - Step 5: Solve for x
x = 47,630,546,364.87/243,647.87 - Step 6: Final answer
x = 195,489.28
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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.