Finding the Fourth Proportional to 134,947.63, 202,421.69 and 35,107.66
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Solution
The fourth proportional to 134,947.63, 202,421.69 and 35,107.66 is: 52,661.55
Step by Step Solution
- Step 1: Write the proportion equation
134,947.63 : 202,421.69 = 35,107.66 : x - Step 2: Convert to fraction form
134,947.63/202,421.69 = 35,107.66/x - Step 3: Cross multiply
134,947.63x = 202,421.69 × 35,107.66 - Step 4: Simplify right side
134,947.63x = 7,106,551,137.15 - Step 5: Solve for x
x = 7,106,551,137.15/134,947.63 - Step 6: Final answer
x = 52,661.55
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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.