Finding the Fourth Proportional to 113,684.05, 156,884.97 and 62,698.60
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Solution
The fourth proportional to 113,684.05, 156,884.97 and 62,698.60 is: 86,524.61
Step by Step Solution
- Step 1: Write the proportion equation
113,684.05 : 156,884.97 = 62,698.60 : x - Step 2: Convert to fraction form
113,684.05/156,884.97 = 62,698.60/x - Step 3: Cross multiply
113,684.05x = 156,884.97 × 62,698.60 - Step 4: Simplify right side
113,684.05x = 9,836,467,980.04 - Step 5: Solve for x
x = 9,836,467,980.04/113,684.05 - Step 6: Final answer
x = 86,524.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.