Finding the Fourth Proportional to 151,567.30, 209,163.90 and 83,586.70
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Solution
The fourth proportional to 151,567.30, 209,163.90 and 83,586.70 is: 115,350.21
Step by Step Solution
- Step 1: Write the proportion equation
151,567.30 : 209,163.90 = 83,586.70 : x - Step 2: Convert to fraction form
151,567.30/209,163.90 = 83,586.70/x - Step 3: Cross multiply
151,567.30x = 209,163.90 × 83,586.70 - Step 4: Simplify right side
151,567.30x = 17,483,320,160.13 - Step 5: Solve for x
x = 17,483,320,160.13/151,567.30 - Step 6: Final answer
x = 115,350.21
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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.