Finding the Fourth Proportional to 115,208.28, 172,813.62 and 32,102.28
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Solution
The fourth proportional to 115,208.28, 172,813.62 and 32,102.28 is: 48,153.75
Step by Step Solution
- Step 1: Write the proportion equation
115,208.28 : 172,813.62 = 32,102.28 : x - Step 2: Convert to fraction form
115,208.28/172,813.62 = 32,102.28/x - Step 3: Cross multiply
115,208.28x = 172,813.62 × 32,102.28 - Step 4: Simplify right side
115,208.28x = 5,547,711,217.05 - Step 5: Solve for x
x = 5,547,711,217.05/115,208.28 - Step 6: Final answer
x = 48,153.75
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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.