Finding the Fourth Proportional to 427,380.24, 641,217.78 and 161,216.94
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Solution
The fourth proportional to 427,380.24, 641,217.78 and 161,216.94 is: 241,881.02
Step by Step Solution
- Step 1: Write the proportion equation
427,380.24 : 641,217.78 = 161,216.94 : x - Step 2: Convert to fraction form
427,380.24/641,217.78 = 161,216.94/x - Step 3: Cross multiply
427,380.24x = 641,217.78 × 161,216.94 - Step 4: Simplify right side
427,380.24x = 103,375,168,365.19 - Step 5: Solve for x
x = 103,375,168,365.19/427,380.24 - Step 6: Final answer
x = 241,881.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.