Finding the Fourth Proportional to 189,337.84, 261,277.11 and 103,291.69
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Solution
The fourth proportional to 189,337.84, 261,277.11 and 103,291.69 is: 142,537.56
Step by Step Solution
- Step 1: Write the proportion equation
189,337.84 : 261,277.11 = 103,291.69 : x - Step 2: Convert to fraction form
189,337.84/261,277.11 = 103,291.69/x - Step 3: Cross multiply
189,337.84x = 261,277.11 × 103,291.69 - Step 4: Simplify right side
189,337.84x = 26,987,754,250.22 - Step 5: Solve for x
x = 26,987,754,250.22/189,337.84 - Step 6: Final answer
x = 142,537.56
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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.