Finding the Fourth Proportional to 424,067.60, 636,101.76 and 199,263.14
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Solution
The fourth proportional to 424,067.60, 636,101.76 and 199,263.14 is: 298,894.88
Step by Step Solution
- Step 1: Write the proportion equation
424,067.60 : 636,101.76 = 199,263.14 : x - Step 2: Convert to fraction form
424,067.60/636,101.76 = 199,263.14/x - Step 3: Cross multiply
424,067.60x = 636,101.76 × 199,263.14 - Step 4: Simplify right side
424,067.60x = 126,751,634,057.13 - Step 5: Solve for x
x = 126,751,634,057.13/424,067.60 - Step 6: Final answer
x = 298,894.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.