Finding the Fourth Proportional to 349,526.28, 482,340.42 and 194,471.56
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Solution
The fourth proportional to 349,526.28, 482,340.42 and 194,471.56 is: 268,367.50
Step by Step Solution
- Step 1: Write the proportion equation
349,526.28 : 482,340.42 = 194,471.56 : x - Step 2: Convert to fraction form
349,526.28/482,340.42 = 194,471.56/x - Step 3: Cross multiply
349,526.28x = 482,340.42 × 194,471.56 - Step 4: Simplify right side
349,526.28x = 93,801,493,928.46 - Step 5: Solve for x
x = 93,801,493,928.46/349,526.28 - Step 6: Final answer
x = 268,367.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.