Finding the Fourth Proportional to 193,129.68, 289,774.44 and 104,278.68
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Solution
The fourth proportional to 193,129.68, 289,774.44 and 104,278.68 is: 156,461.17
Step by Step Solution
- Step 1: Write the proportion equation
193,129.68 : 289,774.44 = 104,278.68 : x - Step 2: Convert to fraction form
193,129.68/289,774.44 = 104,278.68/x - Step 3: Cross multiply
193,129.68x = 289,774.44 × 104,278.68 - Step 4: Simplify right side
193,129.68x = 30,217,296,100.94 - Step 5: Solve for x
x = 30,217,296,100.94/193,129.68 - Step 6: Final answer
x = 156,461.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.