Finding the Fourth Proportional to 195,729.52, 270,108.12 and 106,305.52
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Solution
The fourth proportional to 195,729.52, 270,108.12 and 106,305.52 is: 146,702.37
Step by Step Solution
- Step 1: Write the proportion equation
195,729.52 : 270,108.12 = 106,305.52 : x - Step 2: Convert to fraction form
195,729.52/270,108.12 = 106,305.52/x - Step 3: Cross multiply
195,729.52x = 270,108.12 × 106,305.52 - Step 4: Simplify right side
195,729.52x = 28,713,984,152.82 - Step 5: Solve for x
x = 28,713,984,152.82/195,729.52 - Step 6: Final answer
x = 146,702.37
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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.