Finding the Fourth Proportional to 252,150.24, 347,968.95 and 138,972.99
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Solution
The fourth proportional to 252,150.24, 347,968.95 and 138,972.99 is: 191,783.62
Step by Step Solution
- Step 1: Write the proportion equation
252,150.24 : 347,968.95 = 138,972.99 : x - Step 2: Convert to fraction form
252,150.24/347,968.95 = 138,972.99/x - Step 3: Cross multiply
252,150.24x = 347,968.95 × 138,972.99 - Step 4: Simplify right side
252,150.24x = 48,358,285,408.66 - Step 5: Solve for x
x = 48,358,285,408.66/252,150.24 - Step 6: Final answer
x = 191,783.62
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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.