Finding the Fourth Proportional to 414,486.75, 571,991.73 and 235,638.75
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Solution
The fourth proportional to 414,486.75, 571,991.73 and 235,638.75 is: 325,181.48
Step by Step Solution
- Step 1: Write the proportion equation
414,486.75 : 571,991.73 = 235,638.75 : x - Step 2: Convert to fraction form
414,486.75/571,991.73 = 235,638.75/x - Step 3: Cross multiply
414,486.75x = 571,991.73 × 235,638.75 - Step 4: Simplify right side
414,486.75x = 134,783,416,267.54 - Step 5: Solve for x
x = 134,783,416,267.54/414,486.75 - Step 6: Final answer
x = 325,181.48
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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.