Finding the Fourth Proportional to 251,826.05, 347,519.30 and 138,648.80
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Solution
The fourth proportional to 251,826.05, 347,519.30 and 138,648.80 is: 191,334.99
Step by Step Solution
- Step 1: Write the proportion equation
251,826.05 : 347,519.30 = 138,648.80 : x - Step 2: Convert to fraction form
251,826.05/347,519.30 = 138,648.80/x - Step 3: Cross multiply
251,826.05x = 347,519.30 × 138,648.80 - Step 4: Simplify right side
251,826.05x = 48,183,133,921.84 - Step 5: Solve for x
x = 48,183,133,921.84/251,826.05 - Step 6: Final answer
x = 191,334.99
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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.