Finding the Fourth Proportional to 422,292.08, 582,763.80 and 231,305.84
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Solution
The fourth proportional to 422,292.08, 582,763.80 and 231,305.84 is: 319,202.46
Step by Step Solution
- Step 1: Write the proportion equation
422,292.08 : 582,763.80 = 231,305.84 : x - Step 2: Convert to fraction form
422,292.08/582,763.80 = 231,305.84/x - Step 3: Cross multiply
422,292.08x = 582,763.80 × 231,305.84 - Step 4: Simplify right side
422,292.08x = 134,796,670,280.59 - Step 5: Solve for x
x = 134,796,670,280.59/422,292.08 - Step 6: Final answer
x = 319,202.46
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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.