Finding the Fourth Proportional to 418,329.26, 577,298.88 and 227,342.68
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Solution
The fourth proportional to 418,329.26, 577,298.88 and 227,342.68 is: 313,735.34
Step by Step Solution
- Step 1: Write the proportion equation
418,329.26 : 577,298.88 = 227,342.68 : x - Step 2: Convert to fraction form
418,329.26/577,298.88 = 227,342.68/x - Step 3: Cross multiply
418,329.26x = 577,298.88 × 227,342.68 - Step 4: Simplify right side
418,329.26x = 131,244,674,540.20 - Step 5: Solve for x
x = 131,244,674,540.20/418,329.26 - Step 6: Final answer
x = 313,735.34
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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.