Finding the Fourth Proportional to 194,550.84, 291,902.40 and 76,201.74
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Solution
The fourth proportional to 194,550.84, 291,902.40 and 76,201.74 is: 114,332.43
Step by Step Solution
- Step 1: Write the proportion equation
194,550.84 : 291,902.40 = 76,201.74 : x - Step 2: Convert to fraction form
194,550.84/291,902.40 = 76,201.74/x - Step 3: Cross multiply
194,550.84x = 291,902.40 × 76,201.74 - Step 4: Simplify right side
194,550.84x = 22,243,470,790.18 - Step 5: Solve for x
x = 22,243,470,790.18/194,550.84 - Step 6: Final answer
x = 114,332.43
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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.