Finding the Fourth Proportional to 139,708.68, 209,560.98 and 34,527.66
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Solution
The fourth proportional to 139,708.68, 209,560.98 and 34,527.66 is: 51,790.99
Step by Step Solution
- Step 1: Write the proportion equation
139,708.68 : 209,560.98 = 34,527.66 : x - Step 2: Convert to fraction form
139,708.68/209,560.98 = 34,527.66/x - Step 3: Cross multiply
139,708.68x = 209,560.98 × 34,527.66 - Step 4: Simplify right side
139,708.68x = 7,235,650,266.71 - Step 5: Solve for x
x = 7,235,650,266.71/139,708.68 - Step 6: Final answer
x = 51,790.99
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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.