Finding the Fourth Proportional to 157,320.28, 235,889.29 and 107,460.62
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Solution
The fourth proportional to 157,320.28, 235,889.29 and 107,460.62 is: 161,128.69
Step by Step Solution
- Step 1: Write the proportion equation
157,320.28 : 235,889.29 = 107,460.62 : x - Step 2: Convert to fraction form
157,320.28/235,889.29 = 107,460.62/x - Step 3: Cross multiply
157,320.28x = 235,889.29 × 107,460.62 - Step 4: Simplify right side
157,320.28x = 25,348,810,218.87 - Step 5: Solve for x
x = 25,348,810,218.87/157,320.28 - Step 6: Final answer
x = 161,128.69
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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.