Finding the Fourth Proportional to 251,539.50, 347,125.86 and 136,818.99
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Solution
The fourth proportional to 251,539.50, 347,125.86 and 136,818.99 is: 188,810.94
Step by Step Solution
- Step 1: Write the proportion equation
251,539.50 : 347,125.86 = 136,818.99 : x - Step 2: Convert to fraction form
251,539.50/347,125.86 = 136,818.99/x - Step 3: Cross multiply
251,539.50x = 347,125.86 × 136,818.99 - Step 4: Simplify right side
251,539.50x = 47,493,409,568.08 - Step 5: Solve for x
x = 47,493,409,568.08/251,539.50 - Step 6: Final answer
x = 188,810.94
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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.