Finding the Fourth Proportional to 262,823.70, 394,235.55 and 113,135.70
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Solution
The fourth proportional to 262,823.70, 394,235.55 and 113,135.70 is: 169,703.55
Step by Step Solution
- Step 1: Write the proportion equation
262,823.70 : 394,235.55 = 113,135.70 : x - Step 2: Convert to fraction form
262,823.70/394,235.55 = 113,135.70/x - Step 3: Cross multiply
262,823.70x = 394,235.55 × 113,135.70 - Step 4: Simplify right side
262,823.70x = 44,602,114,914.14 - Step 5: Solve for x
x = 44,602,114,914.14/262,823.70 - Step 6: Final answer
x = 169,703.55
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1.5x scale
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.