Finding the Fourth Proportional to 149,688.74, 224,568.99 and 49,849.80
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Solution
The fourth proportional to 149,688.74, 224,568.99 and 49,849.80 is: 74,786.65
Step by Step Solution
- Step 1: Write the proportion equation
149,688.74 : 224,568.99 = 49,849.80 : x - Step 2: Convert to fraction form
149,688.74/224,568.99 = 49,849.80/x - Step 3: Cross multiply
149,688.74x = 224,568.99 × 49,849.80 - Step 4: Simplify right side
149,688.74x = 11,194,719,237.70 - Step 5: Solve for x
x = 11,194,719,237.70/149,688.74 - Step 6: Final answer
x = 74,786.65
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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.