Finding the Fourth Proportional to 189,149.76, 261,028.08 and 104,266.80
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Solution
The fourth proportional to 189,149.76, 261,028.08 and 104,266.80 is: 143,888.96
Step by Step Solution
- Step 1: Write the proportion equation
189,149.76 : 261,028.08 = 104,266.80 : x - Step 2: Convert to fraction form
189,149.76/261,028.08 = 104,266.80/x - Step 3: Cross multiply
189,149.76x = 261,028.08 × 104,266.80 - Step 4: Simplify right side
189,149.76x = 27,216,562,611.74 - Step 5: Solve for x
x = 27,216,562,611.74/189,149.76 - Step 6: Final answer
x = 143,888.96
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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.