Finding the Fourth Proportional to 418,208.49, 577,132.97 and 227,225.07
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Solution
The fourth proportional to 418,208.49, 577,132.97 and 227,225.07 is: 313,573.45
Step by Step Solution
- Step 1: Write the proportion equation
418,208.49 : 577,132.97 = 227,225.07 : x - Step 2: Convert to fraction form
418,208.49/577,132.97 = 227,225.07/x - Step 3: Cross multiply
418,208.49x = 577,132.97 × 227,225.07 - Step 4: Simplify right side
418,208.49x = 131,139,078,371.43 - Step 5: Solve for x
x = 131,139,078,371.43/418,208.49 - Step 6: Final answer
x = 313,573.45
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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.