Finding the Fourth Proportional to 328,425.86, 453,232.73 and 192,427.26
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Solution
The fourth proportional to 328,425.86, 453,232.73 and 192,427.26 is: 265,552.57
Step by Step Solution
- Step 1: Write the proportion equation
328,425.86 : 453,232.73 = 192,427.26 : x - Step 2: Convert to fraction form
328,425.86/453,232.73 = 192,427.26/x - Step 3: Cross multiply
328,425.86x = 453,232.73 × 192,427.26 - Step 4: Simplify right side
328,425.86x = 87,214,332,376.22 - Step 5: Solve for x
x = 87,214,332,376.22/328,425.86 - Step 6: Final answer
x = 265,552.57
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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.