Finding the Fourth Proportional to 147,620.21, 203,813.93 and 113,568.62
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Solution
The fourth proportional to 147,620.21, 203,813.93 and 113,568.62 is: 156,800.12
Step by Step Solution
- Step 1: Write the proportion equation
147,620.21 : 203,813.93 = 113,568.62 : x - Step 2: Convert to fraction form
147,620.21/203,813.93 = 113,568.62/x - Step 3: Cross multiply
147,620.21x = 203,813.93 × 113,568.62 - Step 4: Simplify right side
147,620.21x = 23,146,865,179.96 - Step 5: Solve for x
x = 23,146,865,179.96/147,620.21 - Step 6: Final answer
x = 156,800.12
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1.5x scale
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.