Finding the Fourth Proportional to 189,035.88, 260,867.44 and 108,476.08
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Solution
The fourth proportional to 189,035.88, 260,867.44 and 108,476.08 is: 149,695.80
Step by Step Solution
- Step 1: Write the proportion equation
189,035.88 : 260,867.44 = 108,476.08 : x - Step 2: Convert to fraction form
189,035.88/260,867.44 = 108,476.08/x - Step 3: Cross multiply
189,035.88x = 260,867.44 × 108,476.08 - Step 4: Simplify right side
189,035.88x = 28,297,877,290.84 - Step 5: Solve for x
x = 28,297,877,290.84/189,035.88 - Step 6: Final answer
x = 149,695.80
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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.