Finding the Fourth Proportional to 165,246.10, 228,039.01 and 93,639.81
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Solution
The fourth proportional to 165,246.10, 228,039.01 and 93,639.81 is: 129,222.59
Step by Step Solution
- Step 1: Write the proportion equation
165,246.10 : 228,039.01 = 93,639.81 : x - Step 2: Convert to fraction form
165,246.10/228,039.01 = 93,639.81/x - Step 3: Cross multiply
165,246.10x = 228,039.01 × 93,639.81 - Step 4: Simplify right side
165,246.10x = 21,353,529,568.99 - Step 5: Solve for x
x = 21,353,529,568.99/165,246.10 - Step 6: Final answer
x = 129,222.59
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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.