Finding the Fourth Proportional to 174,370.20, 261,555.30 and 132,379.80
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Solution
The fourth proportional to 174,370.20, 261,555.30 and 132,379.80 is: 198,569.70
Step by Step Solution
- Step 1: Write the proportion equation
174,370.20 : 261,555.30 = 132,379.80 : x - Step 2: Convert to fraction form
174,370.20/261,555.30 = 132,379.80/x - Step 3: Cross multiply
174,370.20x = 261,555.30 × 132,379.80 - Step 4: Simplify right side
174,370.20x = 34,624,638,302.94 - Step 5: Solve for x
x = 34,624,638,302.94/174,370.20 - Step 6: Final answer
x = 198,569.70
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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.