Finding the Fourth Proportional to 397,336.26, 540,988.13 and 396,075.09
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Solution
The fourth proportional to 397,336.26, 540,988.13 and 396,075.09 is: 539,271.00
Step by Step Solution
- Step 1: Write the proportion equation
397,336.26 : 540,988.13 = 396,075.09 : x - Step 2: Convert to fraction form
397,336.26/540,988.13 = 396,075.09/x - Step 3: Cross multiply
397,336.26x = 540,988.13 × 396,075.09 - Step 4: Simplify right side
397,336.26x = 214,271,920,298.31 - Step 5: Solve for x
x = 214,271,920,298.31/397,336.26 - Step 6: Final answer
x = 539,271.00
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.