Finding the Fourth Proportional to 251,370.99, 346,894.22 and 136,649.85
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Solution
The fourth proportional to 251,370.99, 346,894.22 and 136,649.85 is: 188,578.02
Step by Step Solution
- Step 1: Write the proportion equation
251,370.99 : 346,894.22 = 136,649.85 : x - Step 2: Convert to fraction form
251,370.99/346,894.22 = 136,649.85/x - Step 3: Cross multiply
251,370.99x = 346,894.22 × 136,649.85 - Step 4: Simplify right side
251,370.99x = 47,403,041,578.38 - Step 5: Solve for x
x = 47,403,041,578.38/251,370.99 - Step 6: Final answer
x = 188,578.02
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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.