Finding the Fourth Proportional to 251,779.50, 377,706.14 and 74,263.41
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Solution
The fourth proportional to 251,779.50, 377,706.14 and 74,263.41 is: 111,405.99
Step by Step Solution
- Step 1: Write the proportion equation
251,779.50 : 377,706.14 = 74,263.41 : x - Step 2: Convert to fraction form
251,779.50/377,706.14 = 74,263.41/x - Step 3: Cross multiply
251,779.50x = 377,706.14 × 74,263.41 - Step 4: Simplify right side
251,779.50x = 28,049,745,563.02 - Step 5: Solve for x
x = 28,049,745,563.02/251,779.50 - Step 6: Final answer
x = 111,405.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.