Finding the Fourth Proportional to 366,917.70, 550,376.55 and 353,631.68
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Solution
The fourth proportional to 366,917.70, 550,376.55 and 353,631.68 is: 530,447.51
Step by Step Solution
- Step 1: Write the proportion equation
366,917.70 : 550,376.55 = 353,631.68 : x - Step 2: Convert to fraction form
366,917.70/550,376.55 = 353,631.68/x - Step 3: Cross multiply
366,917.70x = 550,376.55 × 353,631.68 - Step 4: Simplify right side
366,917.70x = 194,630,581,257.22 - Step 5: Solve for x
x = 194,630,581,257.22/366,917.70 - Step 6: Final answer
x = 530,447.51
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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.