Finding the Fourth Proportional to 122,495.11, 183,671.14 and 47,527.70
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Solution
The fourth proportional to 122,495.11, 183,671.14 and 47,527.70 is: 71,263.79
Step by Step Solution
- Step 1: Write the proportion equation
122,495.11 : 183,671.14 = 47,527.70 : x - Step 2: Convert to fraction form
122,495.11/183,671.14 = 47,527.70/x - Step 3: Cross multiply
122,495.11x = 183,671.14 × 47,527.70 - Step 4: Simplify right side
122,495.11x = 8,729,465,977.62 - Step 5: Solve for x
x = 8,729,465,977.62/122,495.11 - Step 6: Final answer
x = 71,263.79
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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.