Finding the Fourth Proportional to 628,067.28, 942,412.59 and 248,979.99
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Solution
The fourth proportional to 628,067.28, 942,412.59 and 248,979.99 is: 373,593.54
Step by Step Solution
- Step 1: Write the proportion equation
628,067.28 : 942,412.59 = 248,979.99 : x - Step 2: Convert to fraction form
628,067.28/942,412.59 = 248,979.99/x - Step 3: Cross multiply
628,067.28x = 942,412.59 × 248,979.99 - Step 4: Simplify right side
628,067.28x = 234,641,877,234.07 - Step 5: Solve for x
x = 234,641,877,234.07/628,067.28 - Step 6: Final answer
x = 373,593.54
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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.