Finding the Fourth Proportional to 102,000.47, 153,000.50 and 27,120.62
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Solution
The fourth proportional to 102,000.47, 153,000.50 and 27,120.62 is: 40,680.88
Step by Step Solution
- Step 1: Write the proportion equation
102,000.47 : 153,000.50 = 27,120.62 : x - Step 2: Convert to fraction form
102,000.47/153,000.50 = 27,120.62/x - Step 3: Cross multiply
102,000.47x = 153,000.50 × 27,120.62 - Step 4: Simplify right side
102,000.47x = 4,149,468,667.21 - Step 5: Solve for x
x = 4,149,468,667.21/102,000.47 - Step 6: Final answer
x = 40,680.88
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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.