Finding the Fourth Proportional to 324,634.60, 486,563.10 and 166,781.80
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Solution
The fourth proportional to 324,634.60, 486,563.10 and 166,781.80 is: 249,972.95
Step by Step Solution
- Step 1: Write the proportion equation
324,634.60 : 486,563.10 = 166,781.80 : x - Step 2: Convert to fraction form
324,634.60/486,563.10 = 166,781.80/x - Step 3: Cross multiply
324,634.60x = 486,563.10 × 166,781.80 - Step 4: Simplify right side
324,634.60x = 81,149,869,631.58 - Step 5: Solve for x
x = 81,149,869,631.58/324,634.60 - Step 6: Final answer
x = 249,972.95
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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.