Finding the Fourth Proportional to 239,437.23, 330,425.60 and 132,011.07
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Solution
The fourth proportional to 239,437.23, 330,425.60 and 132,011.07 is: 182,176.50
Step by Step Solution
- Step 1: Write the proportion equation
239,437.23 : 330,425.60 = 132,011.07 : x - Step 2: Convert to fraction form
239,437.23/330,425.60 = 132,011.07/x - Step 3: Cross multiply
239,437.23x = 330,425.60 × 132,011.07 - Step 4: Simplify right side
239,437.23x = 43,619,836,351.34 - Step 5: Solve for x
x = 43,619,836,351.34/239,437.23 - Step 6: Final answer
x = 182,176.50
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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.