Finding the Fourth Proportional to 152,635.11, 210,649.39 and 84,673.99
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Solution
The fourth proportional to 152,635.11, 210,649.39 and 84,673.99 is: 116,857.28
Step by Step Solution
- Step 1: Write the proportion equation
152,635.11 : 210,649.39 = 84,673.99 : x - Step 2: Convert to fraction form
152,635.11/210,649.39 = 84,673.99/x - Step 3: Cross multiply
152,635.11x = 210,649.39 × 84,673.99 - Step 4: Simplify right side
152,635.11x = 17,836,523,289.12 - Step 5: Solve for x
x = 17,836,523,289.12/152,635.11 - Step 6: Final answer
x = 116,857.28
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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.