Finding the Fourth Proportional to 352,027.36, 485,807.52 and 199,088.53
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Solution
The fourth proportional to 352,027.36, 485,807.52 and 199,088.53 is: 274,747.69
Step by Step Solution
- Step 1: Write the proportion equation
352,027.36 : 485,807.52 = 199,088.53 : x - Step 2: Convert to fraction form
352,027.36/485,807.52 = 199,088.53/x - Step 3: Cross multiply
352,027.36x = 485,807.52 × 199,088.53 - Step 4: Simplify right side
352,027.36x = 96,718,705,019.75 - Step 5: Solve for x
x = 96,718,705,019.75/352,027.36 - Step 6: Final answer
x = 274,747.69
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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.