Finding the Fourth Proportional to 115,210.28, 172,816.62 and 32,104.28
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Solution
The fourth proportional to 115,210.28, 172,816.62 and 32,104.28 is: 48,156.75
Step by Step Solution
- Step 1: Write the proportion equation
115,210.28 : 172,816.62 = 32,104.28 : x - Step 2: Convert to fraction form
115,210.28/172,816.62 = 32,104.28/x - Step 3: Cross multiply
115,210.28x = 172,816.62 × 32,104.28 - Step 4: Simplify right side
115,210.28x = 5,548,153,157.13 - Step 5: Solve for x
x = 5,548,153,157.13/115,210.28 - Step 6: Final answer
x = 48,156.75
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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.