Finding the Fourth Proportional to 209,866.08, 289,606.74 and 114,370.72
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Solution
The fourth proportional to 209,866.08, 289,606.74 and 114,370.72 is: 157,826.99
Step by Step Solution
- Step 1: Write the proportion equation
209,866.08 : 289,606.74 = 114,370.72 : x - Step 2: Convert to fraction form
209,866.08/289,606.74 = 114,370.72/x - Step 3: Cross multiply
209,866.08x = 289,606.74 × 114,370.72 - Step 4: Simplify right side
209,866.08x = 33,122,531,303.77 - Step 5: Solve for x
x = 33,122,531,303.77/209,866.08 - Step 6: Final answer
x = 157,826.99
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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.