Finding the Fourth Proportional to 157,301.82, 235,719.41 and 115,544.70
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Solution
The fourth proportional to 157,301.82, 235,719.41 and 115,544.70 is: 173,145.66
Step by Step Solution
- Step 1: Write the proportion equation
157,301.82 : 235,719.41 = 115,544.70 : x - Step 2: Convert to fraction form
157,301.82/235,719.41 = 115,544.70/x - Step 3: Cross multiply
157,301.82x = 235,719.41 × 115,544.70 - Step 4: Simplify right side
157,301.82x = 27,236,127,934.90 - Step 5: Solve for x
x = 27,236,127,934.90/157,301.82 - Step 6: Final answer
x = 173,145.66
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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.