Finding the Fourth Proportional to 119,237.61, 178,861.86 and 84,333.09
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Solution
The fourth proportional to 119,237.61, 178,861.86 and 84,333.09 is: 126,503.49
Step by Step Solution
- Step 1: Write the proportion equation
119,237.61 : 178,861.86 = 84,333.09 : x - Step 2: Convert to fraction form
119,237.61/178,861.86 = 84,333.09/x - Step 3: Cross multiply
119,237.61x = 178,861.86 × 84,333.09 - Step 4: Simplify right side
119,237.61x = 15,083,973,336.95 - Step 5: Solve for x
x = 15,083,973,336.95/119,237.61 - Step 6: Final answer
x = 126,503.49
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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.