Finding the Fourth Proportional to 138,190.84, 207,292.74 and 44,703.88
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Solution
The fourth proportional to 138,190.84, 207,292.74 and 44,703.88 is: 67,057.92
Step by Step Solution
- Step 1: Write the proportion equation
138,190.84 : 207,292.74 = 44,703.88 : x - Step 2: Convert to fraction form
138,190.84/207,292.74 = 44,703.88/x - Step 3: Cross multiply
138,190.84x = 207,292.74 × 44,703.88 - Step 4: Simplify right side
138,190.84x = 9,266,789,773.83 - Step 5: Solve for x
x = 9,266,789,773.83/138,190.84 - Step 6: Final answer
x = 67,057.92
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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.