Finding the Fourth Proportional to 211,201.92, 291,219.84 and 134,618.88
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Solution
The fourth proportional to 211,201.92, 291,219.84 and 134,618.88 is: 185,621.84
Step by Step Solution
- Step 1: Write the proportion equation
211,201.92 : 291,219.84 = 134,618.88 : x - Step 2: Convert to fraction form
211,201.92/291,219.84 = 134,618.88/x - Step 3: Cross multiply
211,201.92x = 291,219.84 × 134,618.88 - Step 4: Simplify right side
211,201.92x = 39,203,688,694.58 - Step 5: Solve for x
x = 39,203,688,694.58/211,201.92 - Step 6: Final answer
x = 185,621.84
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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.