Finding the Fourth Proportional to 194,486.49, 291,890.13 and 150,381.99
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Solution
The fourth proportional to 194,486.49, 291,890.13 and 150,381.99 is: 225,697.01
Step by Step Solution
- Step 1: Write the proportion equation
194,486.49 : 291,890.13 = 150,381.99 : x - Step 2: Convert to fraction form
194,486.49/291,890.13 = 150,381.99/x - Step 3: Cross multiply
194,486.49x = 291,890.13 × 150,381.99 - Step 4: Simplify right side
194,486.49x = 43,895,018,610.76 - Step 5: Solve for x
x = 43,895,018,610.76/194,486.49 - Step 6: Final answer
x = 225,697.01
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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.