Finding the Fourth Proportional to 187,109.84, 279,997.68 and 149,908.96
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Solution
The fourth proportional to 187,109.84, 279,997.68 and 149,908.96 is: 224,328.99
Step by Step Solution
- Step 1: Write the proportion equation
187,109.84 : 279,997.68 = 149,908.96 : x - Step 2: Convert to fraction form
187,109.84/279,997.68 = 149,908.96/x - Step 3: Cross multiply
187,109.84x = 279,997.68 × 149,908.96 - Step 4: Simplify right side
187,109.84x = 41,974,161,011.21 - Step 5: Solve for x
x = 41,974,161,011.21/187,109.84 - Step 6: Final answer
x = 224,328.99
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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.