Finding the Fourth Proportional to 292,343.91, 438,557.41 and 89,956.80
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Solution
The fourth proportional to 292,343.91, 438,557.41 and 89,956.80 is: 134,947.99
Step by Step Solution
- Step 1: Write the proportion equation
292,343.91 : 438,557.41 = 89,956.80 : x - Step 2: Convert to fraction form
292,343.91/438,557.41 = 89,956.80/x - Step 3: Cross multiply
292,343.91x = 438,557.41 × 89,956.80 - Step 4: Simplify right side
292,343.91x = 39,451,222,059.77 - Step 5: Solve for x
x = 39,451,222,059.77/292,343.91 - Step 6: Final answer
x = 134,947.99
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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.