Finding the Fourth Proportional to 186,457.44, 279,726.67 and 68,128.59
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Solution
The fourth proportional to 186,457.44, 279,726.67 and 68,128.59 is: 102,207.69
Step by Step Solution
- Step 1: Write the proportion equation
186,457.44 : 279,726.67 = 68,128.59 : x - Step 2: Convert to fraction form
186,457.44/279,726.67 = 68,128.59/x - Step 3: Cross multiply
186,457.44x = 279,726.67 × 68,128.59 - Step 4: Simplify right side
186,457.44x = 19,057,384,363.41 - Step 5: Solve for x
x = 19,057,384,363.41/186,457.44 - Step 6: Final answer
x = 102,207.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.