Finding the Fourth Proportional to 122,206.28, 183,306.06 and 39,099.08
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Solution
The fourth proportional to 122,206.28, 183,306.06 and 39,099.08 is: 58,647.54
Step by Step Solution
- Step 1: Write the proportion equation
122,206.28 : 183,306.06 = 39,099.08 : x - Step 2: Convert to fraction form
122,206.28/183,306.06 = 39,099.08/x - Step 3: Cross multiply
122,206.28x = 183,306.06 × 39,099.08 - Step 4: Simplify right side
122,206.28x = 7,167,098,304.42 - Step 5: Solve for x
x = 7,167,098,304.42/122,206.28 - Step 6: Final answer
x = 58,647.54
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1.5x scale
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.