Finding the Fourth Proportional to 188,253.55, 259,789.36 and 112,802.05
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Solution
The fourth proportional to 188,253.55, 259,789.36 and 112,802.05 is: 155,666.50
Step by Step Solution
- Step 1: Write the proportion equation
188,253.55 : 259,789.36 = 112,802.05 : x - Step 2: Convert to fraction form
188,253.55/259,789.36 = 112,802.05/x - Step 3: Cross multiply
188,253.55x = 259,789.36 × 112,802.05 - Step 4: Simplify right side
188,253.55x = 29,304,770,513.23 - Step 5: Solve for x
x = 29,304,770,513.23/188,253.55 - Step 6: Final answer
x = 155,666.50
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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.