Finding the Fourth Proportional to 243,986.58, 336,685.82 and 135,083.70
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Solution
The fourth proportional to 243,986.58, 336,685.82 and 135,083.70 is: 186,406.83
Step by Step Solution
- Step 1: Write the proportion equation
243,986.58 : 336,685.82 = 135,083.70 : x - Step 2: Convert to fraction form
243,986.58/336,685.82 = 135,083.70/x - Step 3: Cross multiply
243,986.58x = 336,685.82 × 135,083.70 - Step 4: Simplify right side
243,986.58x = 45,480,765,627.72 - Step 5: Solve for x
x = 45,480,765,627.72/243,986.58 - Step 6: Final answer
x = 186,406.83
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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.