Finding the Fourth Proportional to 126,897.29, 190,348.11 and 48,048.65
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Solution
The fourth proportional to 126,897.29, 190,348.11 and 48,048.65 is: 72,073.80
Step by Step Solution
- Step 1: Write the proportion equation
126,897.29 : 190,348.11 = 48,048.65 : x - Step 2: Convert to fraction form
126,897.29/190,348.11 = 48,048.65/x - Step 3: Cross multiply
126,897.29x = 190,348.11 × 48,048.65 - Step 4: Simplify right side
126,897.29x = 9,145,969,715.55 - Step 5: Solve for x
x = 9,145,969,715.55/126,897.29 - Step 6: Final answer
x = 72,073.80
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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.