Finding the Fourth Proportional to 426,847.98, 589,042.04 and 235,857.26
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Solution
The fourth proportional to 426,847.98, 589,042.04 and 235,857.26 is: 325,478.50
Step by Step Solution
- Step 1: Write the proportion equation
426,847.98 : 589,042.04 = 235,857.26 : x - Step 2: Convert to fraction form
426,847.98/589,042.04 = 235,857.26/x - Step 3: Cross multiply
426,847.98x = 589,042.04 × 235,857.26 - Step 4: Simplify right side
426,847.98x = 138,929,841,579.21 - Step 5: Solve for x
x = 138,929,841,579.21/426,847.98 - Step 6: Final answer
x = 325,478.50
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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.