Finding the Fourth Proportional to 115,903.58, 173,880.35 and 35,939.94
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Solution
The fourth proportional to 115,903.58, 173,880.35 and 35,939.94 is: 53,917.66
Step by Step Solution
- Step 1: Write the proportion equation
115,903.58 : 173,880.35 = 35,939.94 : x - Step 2: Convert to fraction form
115,903.58/173,880.35 = 35,939.94/x - Step 3: Cross multiply
115,903.58x = 173,880.35 × 35,939.94 - Step 4: Simplify right side
115,903.58x = 6,249,249,346.18 - Step 5: Solve for x
x = 6,249,249,346.18/115,903.58 - Step 6: Final answer
x = 53,917.66
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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.