Finding the Fourth Proportional to 189,108.22, 260,886.68 and 135,373.64
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Solution
The fourth proportional to 189,108.22, 260,886.68 and 135,373.64 is: 186,756.45
Step by Step Solution
- Step 1: Write the proportion equation
189,108.22 : 260,886.68 = 135,373.64 : x - Step 2: Convert to fraction form
189,108.22/260,886.68 = 135,373.64/x - Step 3: Cross multiply
189,108.22x = 260,886.68 × 135,373.64 - Step 4: Simplify right side
189,108.22x = 35,317,179,499.12 - Step 5: Solve for x
x = 35,317,179,499.12/189,108.22 - Step 6: Final answer
x = 186,756.45
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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.