Finding the Fourth Proportional to 165,578.09, 228,491.41 and 93,953.84
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Solution
The fourth proportional to 165,578.09, 228,491.41 and 93,953.84 is: 129,652.69
Step by Step Solution
- Step 1: Write the proportion equation
165,578.09 : 228,491.41 = 93,953.84 : x - Step 2: Convert to fraction form
165,578.09/228,491.41 = 93,953.84/x - Step 3: Cross multiply
165,578.09x = 228,491.41 × 93,953.84 - Step 4: Simplify right side
165,578.09x = 21,467,645,376.51 - Step 5: Solve for x
x = 21,467,645,376.51/165,578.09 - Step 6: Final answer
x = 129,652.69
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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.