Finding the Fourth Proportional to 150,982.74, 208,386.39 and 115,108.68
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Solution
The fourth proportional to 150,982.74, 208,386.39 and 115,108.68 is: 158,873.01
Step by Step Solution
- Step 1: Write the proportion equation
150,982.74 : 208,386.39 = 115,108.68 : x - Step 2: Convert to fraction form
150,982.74/208,386.39 = 115,108.68/x - Step 3: Cross multiply
150,982.74x = 208,386.39 × 115,108.68 - Step 4: Simplify right side
150,982.74x = 23,987,082,282.87 - Step 5: Solve for x
x = 23,987,082,282.87/150,982.74 - Step 6: Final answer
x = 158,873.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.