Finding the Fourth Proportional to 340,715.81, 470,186.84 and 187,753.96
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Solution
The fourth proportional to 340,715.81, 470,186.84 and 187,753.96 is: 259,099.92
Step by Step Solution
- Step 1: Write the proportion equation
340,715.81 : 470,186.84 = 187,753.96 : x - Step 2: Convert to fraction form
340,715.81/470,186.84 = 187,753.96/x - Step 3: Cross multiply
340,715.81x = 470,186.84 × 187,753.96 - Step 4: Simplify right side
340,715.81x = 88,279,439,118.49 - Step 5: Solve for x
x = 88,279,439,118.49/340,715.81 - Step 6: Final answer
x = 259,099.92
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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.