Finding the Fourth Proportional to 418,194.76, 577,137.20 and 236,908.12
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Solution
The fourth proportional to 418,194.76, 577,137.20 and 236,908.12 is: 326,949.31
Step by Step Solution
- Step 1: Write the proportion equation
418,194.76 : 577,137.20 = 236,908.12 : x - Step 2: Convert to fraction form
418,194.76/577,137.20 = 236,908.12/x - Step 3: Cross multiply
418,194.76x = 577,137.20 × 236,908.12 - Step 4: Simplify right side
418,194.76x = 136,728,489,034.06 - Step 5: Solve for x
x = 136,728,489,034.06/418,194.76 - Step 6: Final answer
x = 326,949.31
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1.5x scale
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.