Finding the Fourth Proportional to 138,267.34, 207,468.77 and 49,527.70
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Solution
The fourth proportional to 138,267.34, 207,468.77 and 49,527.70 is: 74,315.82
Step by Step Solution
- Step 1: Write the proportion equation
138,267.34 : 207,468.77 = 49,527.70 : x - Step 2: Convert to fraction form
138,267.34/207,468.77 = 49,527.70/x - Step 3: Cross multiply
138,267.34x = 207,468.77 × 49,527.70 - Step 4: Simplify right side
138,267.34x = 10,275,450,999.93 - Step 5: Solve for x
x = 10,275,450,999.93/138,267.34 - Step 6: Final answer
x = 74,315.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.