Finding the Fourth Proportional to 193,108.08, 289,742.06 and 104,257.09
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Solution
The fourth proportional to 193,108.08, 289,742.06 and 104,257.09 is: 156,428.79
Step by Step Solution
- Step 1: Write the proportion equation
193,108.08 : 289,742.06 = 104,257.09 : x - Step 2: Convert to fraction form
193,108.08/289,742.06 = 104,257.09/x - Step 3: Cross multiply
193,108.08x = 289,742.06 × 104,257.09 - Step 4: Simplify right side
193,108.08x = 30,207,664,649.03 - Step 5: Solve for x
x = 30,207,664,649.03/193,108.08 - Step 6: Final answer
x = 156,428.79
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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.