Finding the Fourth Proportional to 221,037.93, 305,069.04 and 130,416.12
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Solution
The fourth proportional to 221,037.93, 305,069.04 and 130,416.12 is: 179,995.90
Step by Step Solution
- Step 1: Write the proportion equation
221,037.93 : 305,069.04 = 130,416.12 : x - Step 2: Convert to fraction form
221,037.93/305,069.04 = 130,416.12/x - Step 3: Cross multiply
221,037.93x = 305,069.04 × 130,416.12 - Step 4: Simplify right side
221,037.93x = 39,785,920,528.92 - Step 5: Solve for x
x = 39,785,920,528.92/221,037.93 - Step 6: Final answer
x = 179,995.90
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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.