Finding the Fourth Proportional to 243,817.05, 365,725.58 and 125,719.05
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Solution
The fourth proportional to 243,817.05, 365,725.58 and 125,719.05 is: 188,578.58
Step by Step Solution
- Step 1: Write the proportion equation
243,817.05 : 365,725.58 = 125,719.05 : x - Step 2: Convert to fraction form
243,817.05/365,725.58 = 125,719.05/x - Step 3: Cross multiply
243,817.05x = 365,725.58 × 125,719.05 - Step 4: Simplify right side
243,817.05x = 45,978,671,849.70 - Step 5: Solve for x
x = 45,978,671,849.70/243,817.05 - Step 6: Final answer
x = 188,578.58
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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.