Finding the Fourth Proportional to 264,637.70, 365,201.78 and 143,778.96
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Solution
The fourth proportional to 264,637.70, 365,201.78 and 143,778.96 is: 198,415.92
Step by Step Solution
- Step 1: Write the proportion equation
264,637.70 : 365,201.78 = 143,778.96 : x - Step 2: Convert to fraction form
264,637.70/365,201.78 = 143,778.96/x - Step 3: Cross multiply
264,637.70x = 365,201.78 × 143,778.96 - Step 4: Simplify right side
264,637.70x = 52,508,332,118.55 - Step 5: Solve for x
x = 52,508,332,118.55/264,637.70 - Step 6: Final answer
x = 198,415.92
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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.