Finding the Fourth Proportional to 134,285.12, 201,246.23 and 51,133.76
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Solution
The fourth proportional to 134,285.12, 201,246.23 and 51,133.76 is: 76,631.55
Step by Step Solution
- Step 1: Write the proportion equation
134,285.12 : 201,246.23 = 51,133.76 : x - Step 2: Convert to fraction form
134,285.12/201,246.23 = 51,133.76/x - Step 3: Cross multiply
134,285.12x = 201,246.23 × 51,133.76 - Step 4: Simplify right side
134,285.12x = 10,290,476,425.72 - Step 5: Solve for x
x = 10,290,476,425.72/134,285.12 - Step 6: Final answer
x = 76,631.55
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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.