Finding the Fourth Proportional to 239,877.90, 331,025.18 and 132,445.62
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Solution
The fourth proportional to 239,877.90, 331,025.18 and 132,445.62 is: 182,771.46
Step by Step Solution
- Step 1: Write the proportion equation
239,877.90 : 331,025.18 = 132,445.62 : x - Step 2: Convert to fraction form
239,877.90/331,025.18 = 132,445.62/x - Step 3: Cross multiply
239,877.90x = 331,025.18 × 132,445.62 - Step 4: Simplify right side
239,877.90x = 43,842,834,538.48 - Step 5: Solve for x
x = 43,842,834,538.48/239,877.90 - Step 6: Final answer
x = 182,771.46
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1.5x scale
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.