Finding the Fourth Proportional to 188,532.97, 260,259.36 and 112,076.81
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Solution
The fourth proportional to 188,532.97, 260,259.36 and 112,076.81 is: 154,715.85
Step by Step Solution
- Step 1: Write the proportion equation
188,532.97 : 260,259.36 = 112,076.81 : x - Step 2: Convert to fraction form
188,532.97/260,259.36 = 112,076.81/x - Step 3: Cross multiply
188,532.97x = 260,259.36 × 112,076.81 - Step 4: Simplify right side
188,532.97x = 29,169,038,841.44 - Step 5: Solve for x
x = 29,169,038,841.44/188,532.97 - Step 6: Final answer
x = 154,715.85
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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.