Finding the Fourth Proportional to 191,422.99, 285,170.09 and 182,787.08
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Solution
The fourth proportional to 191,422.99, 285,170.09 and 182,787.08 is: 272,304.84
Step by Step Solution
- Step 1: Write the proportion equation
191,422.99 : 285,170.09 = 182,787.08 : x - Step 2: Convert to fraction form
191,422.99/285,170.09 = 182,787.08/x - Step 3: Cross multiply
191,422.99x = 285,170.09 × 182,787.08 - Step 4: Simplify right side
191,422.99x = 52,125,406,628.59 - Step 5: Solve for x
x = 52,125,406,628.59/191,422.99 - Step 6: Final answer
x = 272,304.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.