Finding the Fourth Proportional to 319,762.74, 441,273.53 and 174,568.75
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Solution
The fourth proportional to 319,762.74, 441,273.53 and 174,568.75 is: 240,905.39
Step by Step Solution
- Step 1: Write the proportion equation
319,762.74 : 441,273.53 = 174,568.75 : x - Step 2: Convert to fraction form
319,762.74/441,273.53 = 174,568.75/x - Step 3: Cross multiply
319,762.74x = 441,273.53 × 174,568.75 - Step 4: Simplify right side
319,762.74x = 77,032,568,540.19 - Step 5: Solve for x
x = 77,032,568,540.19/319,762.74 - Step 6: Final answer
x = 240,905.39
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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.