Finding the Fourth Proportional to 307,427.74, 458,085.49 and 273,890.09
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Solution
The fourth proportional to 307,427.74, 458,085.49 and 273,890.09 is: 408,112.42
Step by Step Solution
- Step 1: Write the proportion equation
307,427.74 : 458,085.49 = 273,890.09 : x - Step 2: Convert to fraction form
307,427.74/458,085.49 = 273,890.09/x - Step 3: Cross multiply
307,427.74x = 458,085.49 × 273,890.09 - Step 4: Simplify right side
307,427.74x = 125,465,076,544.28 - Step 5: Solve for x
x = 125,465,076,544.28/307,427.74 - Step 6: Final answer
x = 408,112.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.