Finding the Fourth Proportional to 438,584.20, 605,246.14 and 237,380.20
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Solution
The fourth proportional to 438,584.20, 605,246.14 and 237,380.20 is: 327,584.65
Step by Step Solution
- Step 1: Write the proportion equation
438,584.20 : 605,246.14 = 237,380.20 : x - Step 2: Convert to fraction form
438,584.20/605,246.14 = 237,380.20/x - Step 3: Cross multiply
438,584.20x = 605,246.14 × 237,380.20 - Step 4: Simplify right side
438,584.20x = 143,673,449,762.43 - Step 5: Solve for x
x = 143,673,449,762.43/438,584.20 - Step 6: Final answer
x = 327,584.65
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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.