Finding the Fourth Proportional to 841,275, 1,261,915.20 and 210,188.88
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Solution
The fourth proportional to 841,275, 1,261,915.20 and 210,188.88 is: 315,283.99
Step by Step Solution
- Step 1: Write the proportion equation
841,275 : 1,261,915.20 = 210,188.88 : x - Step 2: Convert to fraction form
841,275/1,261,915.20 = 210,188.88/x - Step 3: Cross multiply
841,275x = 1,261,915.20 × 210,188.88 - Step 4: Simplify right side
841,275x = 265,240,542,542.98 - Step 5: Solve for x
x = 265,240,542,542.98/841,275 - Step 6: Final answer
x = 315,283.99
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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.