Finding the Fourth Proportional to 189,197.68, 261,094.56 and 104,317.76
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Solution
The fourth proportional to 189,197.68, 261,094.56 and 104,317.76 is: 143,959.48
Step by Step Solution
- Step 1: Write the proportion equation
189,197.68 : 261,094.56 = 104,317.76 : x - Step 2: Convert to fraction form
189,197.68/261,094.56 = 104,317.76/x - Step 3: Cross multiply
189,197.68x = 261,094.56 × 104,317.76 - Step 4: Simplify right side
189,197.68x = 27,236,798,277.09 - Step 5: Solve for x
x = 27,236,798,277.09/189,197.68 - Step 6: Final answer
x = 143,959.48
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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.