Finding the Fourth Proportional to 422,204.88, 582,643.62 and 228,614.70
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Solution
The fourth proportional to 422,204.88, 582,643.62 and 228,614.70 is: 315,488.77
Step by Step Solution
- Step 1: Write the proportion equation
422,204.88 : 582,643.62 = 228,614.70 : x - Step 2: Convert to fraction form
422,204.88/582,643.62 = 228,614.70/x - Step 3: Cross multiply
422,204.88x = 582,643.62 × 228,614.70 - Step 4: Simplify right side
422,204.88x = 133,200,896,393.21 - Step 5: Solve for x
x = 133,200,896,393.21/422,204.88 - Step 6: Final answer
x = 315,488.77
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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.