Finding the Fourth Proportional to 535,422.21, 802,809.74 and 251,175.09
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Solution
The fourth proportional to 535,422.21, 802,809.74 and 251,175.09 is: 376,610.84
Step by Step Solution
- Step 1: Write the proportion equation
535,422.21 : 802,809.74 = 251,175.09 : x - Step 2: Convert to fraction form
535,422.21/802,809.74 = 251,175.09/x - Step 3: Cross multiply
535,422.21x = 802,809.74 × 251,175.09 - Step 4: Simplify right side
535,422.21x = 201,645,807,441.50 - Step 5: Solve for x
x = 201,645,807,441.50/535,422.21 - Step 6: Final answer
x = 376,610.84
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1.5x scale
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.