Finding the Fourth Proportional to 252,038.92, 347,813.51 and 138,861.67
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Solution
The fourth proportional to 252,038.92, 347,813.51 and 138,861.67 is: 191,628.99
Step by Step Solution
- Step 1: Write the proportion equation
252,038.92 : 347,813.51 = 138,861.67 : x - Step 2: Convert to fraction form
252,038.92/347,813.51 = 138,861.67/x - Step 3: Cross multiply
252,038.92x = 347,813.51 × 138,861.67 - Step 4: Simplify right side
252,038.92x = 48,297,963,628.83 - Step 5: Solve for x
x = 48,297,963,628.83/252,038.92 - Step 6: Final answer
x = 191,628.99
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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.