Finding the Fourth Proportional to 203,497.60, 305,246.40 and 180,947.20
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Solution
The fourth proportional to 203,497.60, 305,246.40 and 180,947.20 is: 271,420.80
Step by Step Solution
- Step 1: Write the proportion equation
203,497.60 : 305,246.40 = 180,947.20 : x - Step 2: Convert to fraction form
203,497.60/305,246.40 = 180,947.20/x - Step 3: Cross multiply
203,497.60x = 305,246.40 × 180,947.20 - Step 4: Simplify right side
203,497.60x = 55,233,481,390.08 - Step 5: Solve for x
x = 55,233,481,390.08/203,497.60 - Step 6: Final answer
x = 271,420.80
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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.