Finding the Fourth Proportional to 186,548.28, 279,588.12 and 79,806.84
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Solution
The fourth proportional to 186,548.28, 279,588.12 and 79,806.84 is: 119,610.02
Step by Step Solution
- Step 1: Write the proportion equation
186,548.28 : 279,588.12 = 79,806.84 : x - Step 2: Convert to fraction form
186,548.28/279,588.12 = 79,806.84/x - Step 3: Cross multiply
186,548.28x = 279,588.12 × 79,806.84 - Step 4: Simplify right side
186,548.28x = 22,313,044,358.74 - Step 5: Solve for x
x = 22,313,044,358.74/186,548.28 - Step 6: Final answer
x = 119,610.02
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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.