Finding the Fourth Proportional to 126,318.24, 189,478.08 and 32,824.08
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Solution
The fourth proportional to 126,318.24, 189,478.08 and 32,824.08 is: 49,236.31
Step by Step Solution
- Step 1: Write the proportion equation
126,318.24 : 189,478.08 = 32,824.08 : x - Step 2: Convert to fraction form
126,318.24/189,478.08 = 32,824.08/x - Step 3: Cross multiply
126,318.24x = 189,478.08 × 32,824.08 - Step 4: Simplify right side
126,318.24x = 6,219,443,656.17 - Step 5: Solve for x
x = 6,219,443,656.17/126,318.24 - Step 6: Final answer
x = 49,236.31
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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.