Finding the Fourth Proportional to 292,491.47, 438,763.97 and 82,127.99
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Solution
The fourth proportional to 292,491.47, 438,763.97 and 82,127.99 is: 123,199.50
Step by Step Solution
- Step 1: Write the proportion equation
292,491.47 : 438,763.97 = 82,127.99 : x - Step 2: Convert to fraction form
292,491.47/438,763.97 = 82,127.99/x - Step 3: Cross multiply
292,491.47x = 438,763.97 × 82,127.99 - Step 4: Simplify right side
292,491.47x = 36,034,800,952.02 - Step 5: Solve for x
x = 36,034,800,952.02/292,491.47 - Step 6: Final answer
x = 123,199.50
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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.