Finding the Fourth Proportional to 233,228.40, 350,231.40 and 128,122.80
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Solution
The fourth proportional to 233,228.40, 350,231.40 and 128,122.80 is: 192,397.79
Step by Step Solution
- Step 1: Write the proportion equation
233,228.40 : 350,231.40 = 128,122.80 : x - Step 2: Convert to fraction form
233,228.40/350,231.40 = 128,122.80/x - Step 3: Cross multiply
233,228.40x = 350,231.40 × 128,122.80 - Step 4: Simplify right side
233,228.40x = 44,872,627,615.92 - Step 5: Solve for x
x = 44,872,627,615.92/233,228.40 - Step 6: Final answer
x = 192,397.79
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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.