Finding the Fourth Proportional to 243,885.09, 365,790.72 and 66,406.08
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Solution
The fourth proportional to 243,885.09, 365,790.72 and 66,406.08 is: 99,599.07
Step by Step Solution
- Step 1: Write the proportion equation
243,885.09 : 365,790.72 = 66,406.08 : x - Step 2: Convert to fraction form
243,885.09/365,790.72 = 66,406.08/x - Step 3: Cross multiply
243,885.09x = 365,790.72 × 66,406.08 - Step 4: Simplify right side
243,885.09x = 24,290,727,815.58 - Step 5: Solve for x
x = 24,290,727,815.58/243,885.09 - Step 6: Final answer
x = 99,599.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.