Finding the Fourth Proportional to 207,363.40, 286,161.18 and 116,720.02
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Solution
The fourth proportional to 207,363.40, 286,161.18 and 116,720.02 is: 161,073.45
Step by Step Solution
- Step 1: Write the proportion equation
207,363.40 : 286,161.18 = 116,720.02 : x - Step 2: Convert to fraction form
207,363.40/286,161.18 = 116,720.02/x - Step 3: Cross multiply
207,363.40x = 286,161.18 × 116,720.02 - Step 4: Simplify right side
207,363.40x = 33,400,738,652.82 - Step 5: Solve for x
x = 33,400,738,652.82/207,363.40 - Step 6: Final answer
x = 161,073.45
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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.