Finding the Fourth Proportional to 358,135.20, 537,451.20 and 269,575.20
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Solution
The fourth proportional to 358,135.20, 537,451.20 and 269,575.20 is: 404,549.78
Step by Step Solution
- Step 1: Write the proportion equation
358,135.20 : 537,451.20 = 269,575.20 : x - Step 2: Convert to fraction form
358,135.20/537,451.20 = 269,575.20/x - Step 3: Cross multiply
358,135.20x = 537,451.20 × 269,575.20 - Step 4: Simplify right side
358,135.20x = 144,883,514,730.24 - Step 5: Solve for x
x = 144,883,514,730.24/358,135.20 - Step 6: Final answer
x = 404,549.78
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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.