Finding the Fourth Proportional to 426,108.40, 588,028.98 and 235,121.74
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Solution
The fourth proportional to 426,108.40, 588,028.98 and 235,121.74 is: 324,467.66
Step by Step Solution
- Step 1: Write the proportion equation
426,108.40 : 588,028.98 = 235,121.74 : x - Step 2: Convert to fraction form
426,108.40/588,028.98 = 235,121.74/x - Step 3: Cross multiply
426,108.40x = 588,028.98 × 235,121.74 - Step 4: Simplify right side
426,108.40x = 138,258,396,948.03 - Step 5: Solve for x
x = 138,258,396,948.03/426,108.40 - Step 6: Final answer
x = 324,467.66
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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.