Finding the Fourth Proportional to 187,600.96, 258,889.20 and 102,719.68
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Solution
The fourth proportional to 187,600.96, 258,889.20 and 102,719.68 is: 141,753.09
Step by Step Solution
- Step 1: Write the proportion equation
187,600.96 : 258,889.20 = 102,719.68 : x - Step 2: Convert to fraction form
187,600.96/258,889.20 = 102,719.68/x - Step 3: Cross multiply
187,600.96x = 258,889.20 × 102,719.68 - Step 4: Simplify right side
187,600.96x = 26,593,015,779.46 - Step 5: Solve for x
x = 26,593,015,779.46/187,600.96 - Step 6: Final answer
x = 141,753.09
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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.