Finding the Fourth Proportional to 127,282.84, 190,924.80 and 43,043.44
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Solution
The fourth proportional to 127,282.84, 190,924.80 and 43,043.44 is: 64,565.34
Step by Step Solution
- Step 1: Write the proportion equation
127,282.84 : 190,924.80 = 43,043.44 : x - Step 2: Convert to fraction form
127,282.84/190,924.80 = 43,043.44/x - Step 3: Cross multiply
127,282.84x = 190,924.80 × 43,043.44 - Step 4: Simplify right side
127,282.84x = 8,218,060,173.31 - Step 5: Solve for x
x = 8,218,060,173.31/127,282.84 - Step 6: Final answer
x = 64,565.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.