Finding the Fourth Proportional to 354,274.20, 488,887.02 and 193,126.68
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Solution
The fourth proportional to 354,274.20, 488,887.02 and 193,126.68 is: 266,508.62
Step by Step Solution
- Step 1: Write the proportion equation
354,274.20 : 488,887.02 = 193,126.68 : x - Step 2: Convert to fraction form
354,274.20/488,887.02 = 193,126.68/x - Step 3: Cross multiply
354,274.20x = 488,887.02 × 193,126.68 - Step 4: Simplify right side
354,274.20x = 94,417,127,067.69 - Step 5: Solve for x
x = 94,417,127,067.69/354,274.20 - Step 6: Final answer
x = 266,508.62
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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.