Finding the Fourth Proportional to 422,376.93, 582,875.49 and 228,779.84
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Solution
The fourth proportional to 422,376.93, 582,875.49 and 228,779.84 is: 315,713.65
Step by Step Solution
- Step 1: Write the proportion equation
422,376.93 : 582,875.49 = 228,779.84 : x - Step 2: Convert to fraction form
422,376.93/582,875.49 = 228,779.84/x - Step 3: Cross multiply
422,376.93x = 582,875.49 × 228,779.84 - Step 4: Simplify right side
422,376.93x = 133,350,163,657.24 - Step 5: Solve for x
x = 133,350,163,657.24/422,376.93 - Step 6: Final answer
x = 315,713.65
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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.