Finding the Fourth Proportional to 203,288.06, 280,541.58 and 118,410.60
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Solution
The fourth proportional to 203,288.06, 280,541.58 and 118,410.60 is: 163,408.99
Step by Step Solution
- Step 1: Write the proportion equation
203,288.06 : 280,541.58 = 118,410.60 : x - Step 2: Convert to fraction form
203,288.06/280,541.58 = 118,410.60/x - Step 3: Cross multiply
203,288.06x = 280,541.58 × 118,410.60 - Step 4: Simplify right side
203,288.06x = 33,219,096,812.75 - Step 5: Solve for x
x = 33,219,096,812.75/203,288.06 - Step 6: Final answer
x = 163,408.99
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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.