Finding the Fourth Proportional to 194,523.71, 291,785.58 and 150,215.09
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Solution
The fourth proportional to 194,523.71, 291,785.58 and 150,215.09 is: 225,322.64
Step by Step Solution
- Step 1: Write the proportion equation
194,523.71 : 291,785.58 = 150,215.09 : x - Step 2: Convert to fraction form
194,523.71/291,785.58 = 150,215.09/x - Step 3: Cross multiply
194,523.71x = 291,785.58 × 150,215.09 - Step 4: Simplify right side
194,523.71x = 43,830,595,701.47 - Step 5: Solve for x
x = 43,830,595,701.47/194,523.71 - Step 6: Final answer
x = 225,322.64
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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.