Finding the Fourth Proportional to 217,936.74, 327,397.20 and 129,248.41
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Solution
The fourth proportional to 217,936.74, 327,397.20 and 129,248.41 is: 194,164.45
Step by Step Solution
- Step 1: Write the proportion equation
217,936.74 : 327,397.20 = 129,248.41 : x - Step 2: Convert to fraction form
217,936.74/327,397.20 = 129,248.41/x - Step 3: Cross multiply
217,936.74x = 327,397.20 × 129,248.41 - Step 4: Simplify right side
217,936.74x = 42,315,567,538.45 - Step 5: Solve for x
x = 42,315,567,538.45/217,936.74 - Step 6: Final answer
x = 194,164.45
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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.