Finding the Fourth Proportional to 146,718.08, 202,471.08 and 79,650.08
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Solution
The fourth proportional to 146,718.08, 202,471.08 and 79,650.08 is: 109,917.18
Step by Step Solution
- Step 1: Write the proportion equation
146,718.08 : 202,471.08 = 79,650.08 : x - Step 2: Convert to fraction form
146,718.08/202,471.08 = 79,650.08/x - Step 3: Cross multiply
146,718.08x = 202,471.08 × 79,650.08 - Step 4: Simplify right side
146,718.08x = 16,126,837,719.69 - Step 5: Solve for x
x = 16,126,837,719.69/146,718.08 - Step 6: Final answer
x = 109,917.18
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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.