Finding the Fourth Proportional to 209,867.99, 289,619.87 and 114,376.73
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Solution
The fourth proportional to 209,867.99, 289,619.87 and 114,376.73 is: 157,841.00
Step by Step Solution
- Step 1: Write the proportion equation
209,867.99 : 289,619.87 = 114,376.73 : x - Step 2: Convert to fraction form
209,867.99/289,619.87 = 114,376.73/x - Step 3: Cross multiply
209,867.99x = 289,619.87 × 114,376.73 - Step 4: Simplify right side
209,867.99x = 33,125,773,673.63 - Step 5: Solve for x
x = 33,125,773,673.63/209,867.99 - Step 6: Final answer
x = 157,841.00
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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.