Finding the Fourth Proportional to 438,661.19, 605,352.56 and 237,457.19
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Solution
The fourth proportional to 438,661.19, 605,352.56 and 237,457.19 is: 327,690.98
Step by Step Solution
- Step 1: Write the proportion equation
438,661.19 : 605,352.56 = 237,457.19 : x - Step 2: Convert to fraction form
438,661.19/605,352.56 = 237,457.19/x - Step 3: Cross multiply
438,661.19x = 605,352.56 × 237,457.19 - Step 4: Simplify right side
438,661.19x = 143,745,318,183.00 - Step 5: Solve for x
x = 143,745,318,183.00/438,661.19 - Step 6: Final answer
x = 327,690.98
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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.