Finding the Fourth Proportional to 418,223.08, 577,135.02 and 227,232.37
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Solution
The fourth proportional to 418,223.08, 577,135.02 and 227,232.37 is: 313,573.70
Step by Step Solution
- Step 1: Write the proportion equation
418,223.08 : 577,135.02 = 227,232.37 : x - Step 2: Convert to fraction form
418,223.08/577,135.02 = 227,232.37/x - Step 3: Cross multiply
418,223.08x = 577,135.02 × 227,232.37 - Step 4: Simplify right side
418,223.08x = 131,143,758,404.60 - Step 5: Solve for x
x = 131,143,758,404.60/418,223.08 - Step 6: Final answer
x = 313,573.70
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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.