Finding the Fourth Proportional to 210,007.41, 289,809.05 and 114,512.05
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Solution
The fourth proportional to 210,007.41, 289,809.05 and 114,512.05 is: 158,025.99
Step by Step Solution
- Step 1: Write the proportion equation
210,007.41 : 289,809.05 = 114,512.05 : x - Step 2: Convert to fraction form
210,007.41/289,809.05 = 114,512.05/x - Step 3: Cross multiply
210,007.41x = 289,809.05 × 114,512.05 - Step 4: Simplify right side
210,007.41x = 33,186,628,424.05 - Step 5: Solve for x
x = 33,186,628,424.05/210,007.41 - Step 6: Final answer
x = 158,025.99
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1.5x scale
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.