Finding the Fourth Proportional to 270,319.62, 373,043.70 and 155,622.36
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Solution
The fourth proportional to 270,319.62, 373,043.70 and 155,622.36 is: 214,760.37
Step by Step Solution
- Step 1: Write the proportion equation
270,319.62 : 373,043.70 = 155,622.36 : x - Step 2: Convert to fraction form
270,319.62/373,043.70 = 155,622.36/x - Step 3: Cross multiply
270,319.62x = 373,043.70 × 155,622.36 - Step 4: Simplify right side
270,319.62x = 58,053,940,977.13 - Step 5: Solve for x
x = 58,053,940,977.13/270,319.62 - Step 6: Final answer
x = 214,760.37
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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.