Finding the Fourth Proportional to 251,114.17, 346,540.10 and 136,393.92
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Solution
The fourth proportional to 251,114.17, 346,540.10 and 136,393.92 is: 188,224.99
Step by Step Solution
- Step 1: Write the proportion equation
251,114.17 : 346,540.10 = 136,393.92 : x - Step 2: Convert to fraction form
251,114.17/346,540.10 = 136,393.92/x - Step 3: Cross multiply
251,114.17x = 346,540.10 × 136,393.92 - Step 4: Simplify right side
251,114.17x = 47,265,962,676.19 - Step 5: Solve for x
x = 47,265,962,676.19/251,114.17 - Step 6: Final answer
x = 188,224.99
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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.