Finding the Fourth Proportional to 166,234.81, 249,507.74 and 82,089.99
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Solution
The fourth proportional to 166,234.81, 249,507.74 and 82,089.99 is: 123,211.78
Step by Step Solution
- Step 1: Write the proportion equation
166,234.81 : 249,507.74 = 82,089.99 : x - Step 2: Convert to fraction form
166,234.81/249,507.74 = 82,089.99/x - Step 3: Cross multiply
166,234.81x = 249,507.74 × 82,089.99 - Step 4: Simplify right side
166,234.81x = 20,482,086,223.53 - Step 5: Solve for x
x = 20,482,086,223.53/166,234.81 - Step 6: Final answer
x = 123,211.78
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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.