Finding the Fourth Proportional to 129,098.64, 193,599.24 and 50,202.96
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Solution
The fourth proportional to 129,098.64, 193,599.24 and 50,202.96 is: 75,285.49
Step by Step Solution
- Step 1: Write the proportion equation
129,098.64 : 193,599.24 = 50,202.96 : x - Step 2: Convert to fraction form
129,098.64/193,599.24 = 50,202.96/x - Step 3: Cross multiply
129,098.64x = 193,599.24 × 50,202.96 - Step 4: Simplify right side
129,098.64x = 9,719,254,901.75 - Step 5: Solve for x
x = 9,719,254,901.75/129,098.64 - Step 6: Final answer
x = 75,285.49
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1.5x scale
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.