Finding the Fourth Proportional to 243,943.80, 365,915.70 and 125,845.80
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Solution
The fourth proportional to 243,943.80, 365,915.70 and 125,845.80 is: 188,768.70
Step by Step Solution
- Step 1: Write the proportion equation
243,943.80 : 365,915.70 = 125,845.80 : x - Step 2: Convert to fraction form
243,943.80/365,915.70 = 125,845.80/x - Step 3: Cross multiply
243,943.80x = 365,915.70 × 125,845.80 - Step 4: Simplify right side
243,943.80x = 46,048,953,999.06 - Step 5: Solve for x
x = 46,048,953,999.06/243,943.80 - Step 6: Final answer
x = 188,768.70
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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.