Finding the Fourth Proportional to 157,471.40, 236,207.10 and 151,347.80
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Solution
The fourth proportional to 157,471.40, 236,207.10 and 151,347.80 is: 227,021.70
Step by Step Solution
- Step 1: Write the proportion equation
157,471.40 : 236,207.10 = 151,347.80 : x - Step 2: Convert to fraction form
157,471.40/236,207.10 = 151,347.80/x - Step 3: Cross multiply
157,471.40x = 236,207.10 × 151,347.80 - Step 4: Simplify right side
157,471.40x = 35,749,424,929.38 - Step 5: Solve for x
x = 35,749,424,929.38/157,471.40 - Step 6: Final answer
x = 227,021.70
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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.