Finding the Fourth Proportional to 174,493.80, 261,740.70 and 79,723.80
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Solution
The fourth proportional to 174,493.80, 261,740.70 and 79,723.80 is: 119,585.70
Step by Step Solution
- Step 1: Write the proportion equation
174,493.80 : 261,740.70 = 79,723.80 : x - Step 2: Convert to fraction form
174,493.80/261,740.70 = 79,723.80/x - Step 3: Cross multiply
174,493.80x = 261,740.70 × 79,723.80 - Step 4: Simplify right side
174,493.80x = 20,866,963,218.66 - Step 5: Solve for x
x = 20,866,963,218.66/174,493.80 - Step 6: Final answer
x = 119,585.70
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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.