Finding the Fourth Proportional to 233,419.80, 350,129.70 and 115,321.80
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Solution
The fourth proportional to 233,419.80, 350,129.70 and 115,321.80 is: 172,982.70
Step by Step Solution
- Step 1: Write the proportion equation
233,419.80 : 350,129.70 = 115,321.80 : x - Step 2: Convert to fraction form
233,419.80/350,129.70 = 115,321.80/x - Step 3: Cross multiply
233,419.80x = 350,129.70 × 115,321.80 - Step 4: Simplify right side
233,419.80x = 40,377,587,237.46 - Step 5: Solve for x
x = 40,377,587,237.46/233,419.80 - Step 6: Final answer
x = 172,982.70
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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.