Finding the Fourth Proportional to 502,441.97, 753,662.96 and 128,464.97
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Solution
The fourth proportional to 502,441.97, 753,662.96 and 128,464.97 is: 192,697.45
Step by Step Solution
- Step 1: Write the proportion equation
502,441.97 : 753,662.96 = 128,464.97 : x - Step 2: Convert to fraction form
502,441.97/753,662.96 = 128,464.97/x - Step 3: Cross multiply
502,441.97x = 753,662.96 × 128,464.97 - Step 4: Simplify right side
502,441.97x = 96,819,285,135.87 - Step 5: Solve for x
x = 96,819,285,135.87/502,441.97 - Step 6: Final answer
x = 192,697.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.