Finding the Fourth Proportional to 426,245.15, 588,176.43 and 235,246.21
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Solution
The fourth proportional to 426,245.15, 588,176.43 and 235,246.21 is: 324,616.66
Step by Step Solution
- Step 1: Write the proportion equation
426,245.15 : 588,176.43 = 235,246.21 : x - Step 2: Convert to fraction form
426,245.15/588,176.43 = 235,246.21/x - Step 3: Cross multiply
426,245.15x = 588,176.43 × 235,246.21 - Step 4: Simplify right side
426,245.15x = 138,366,275,968.83 - Step 5: Solve for x
x = 138,366,275,968.83/426,245.15 - Step 6: Final answer
x = 324,616.66
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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.