Finding the Fourth Proportional to 115,660.08, 159,598.08 and 65,359.08
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Solution
The fourth proportional to 115,660.08, 159,598.08 and 65,359.08 is: 90,188.28
Step by Step Solution
- Step 1: Write the proportion equation
115,660.08 : 159,598.08 = 65,359.08 : x - Step 2: Convert to fraction form
115,660.08/159,598.08 = 65,359.08/x - Step 3: Cross multiply
115,660.08x = 159,598.08 × 65,359.08 - Step 4: Simplify right side
115,660.08x = 10,431,183,678.57 - Step 5: Solve for x
x = 10,431,183,678.57/115,660.08 - Step 6: Final answer
x = 90,188.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.