Finding the Fourth Proportional to 165,778.05, 228,673.99 and 101,217.81
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Solution
The fourth proportional to 165,778.05, 228,673.99 and 101,217.81 is: 139,619.69
Step by Step Solution
- Step 1: Write the proportion equation
165,778.05 : 228,673.99 = 101,217.81 : x - Step 2: Convert to fraction form
165,778.05/228,673.99 = 101,217.81/x - Step 3: Cross multiply
165,778.05x = 228,673.99 × 101,217.81 - Step 4: Simplify right side
165,778.05x = 23,145,880,471.76 - Step 5: Solve for x
x = 23,145,880,471.76/165,778.05 - Step 6: Final answer
x = 139,619.69
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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.