Finding the Fourth Proportional to 397,819.08, 548,982.63 and 216,535.01
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Solution
The fourth proportional to 397,819.08, 548,982.63 and 216,535.01 is: 298,814.12
Step by Step Solution
- Step 1: Write the proportion equation
397,819.08 : 548,982.63 = 216,535.01 : x - Step 2: Convert to fraction form
397,819.08/548,982.63 = 216,535.01/x - Step 3: Cross multiply
397,819.08x = 548,982.63 × 216,535.01 - Step 4: Simplify right side
397,819.08x = 118,873,956,531.96 - Step 5: Solve for x
x = 118,873,956,531.96/397,819.08 - Step 6: Final answer
x = 298,814.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.