Finding the Fourth Proportional to 134,128.62, 201,192.14 and 34,288.66
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Solution
The fourth proportional to 134,128.62, 201,192.14 and 34,288.66 is: 51,432.79
Step by Step Solution
- Step 1: Write the proportion equation
134,128.62 : 201,192.14 = 34,288.66 : x - Step 2: Convert to fraction form
134,128.62/201,192.14 = 34,288.66/x - Step 3: Cross multiply
134,128.62x = 201,192.14 × 34,288.66 - Step 4: Simplify right side
134,128.62x = 6,898,608,883.13 - Step 5: Solve for x
x = 6,898,608,883.13/134,128.62 - Step 6: Final answer
x = 51,432.79
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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.