Finding the Fourth Proportional to 239,878.04, 331,044.60 and 132,447.68
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Solution
The fourth proportional to 239,878.04, 331,044.60 and 132,447.68 is: 182,784.92
Step by Step Solution
- Step 1: Write the proportion equation
239,878.04 : 331,044.60 = 132,447.68 : x - Step 2: Convert to fraction form
239,878.04/331,044.60 = 132,447.68/x - Step 3: Cross multiply
239,878.04x = 331,044.60 × 132,447.68 - Step 4: Simplify right side
239,878.04x = 43,846,089,246.53 - Step 5: Solve for x
x = 43,846,089,246.53/239,878.04 - Step 6: Final answer
x = 182,784.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.