Finding the Fourth Proportional to 418,201.02, 577,117.44 and 227,213.82
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Solution
The fourth proportional to 418,201.02, 577,117.44 and 227,213.82 is: 313,555.09
Step by Step Solution
- Step 1: Write the proportion equation
418,201.02 : 577,117.44 = 227,213.82 : x - Step 2: Convert to fraction form
418,201.02/577,117.44 = 227,213.82/x - Step 3: Cross multiply
418,201.02x = 577,117.44 × 227,213.82 - Step 4: Simplify right side
418,201.02x = 131,129,058,131.02 - Step 5: Solve for x
x = 131,129,058,131.02/418,201.02 - Step 6: Final answer
x = 313,555.09
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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.