Finding the Fourth Proportional to 194,862.36, 292,306.74 and 68,487.24
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Solution
The fourth proportional to 194,862.36, 292,306.74 and 68,487.24 is: 102,735.50
Step by Step Solution
- Step 1: Write the proportion equation
194,862.36 : 292,306.74 = 68,487.24 : x - Step 2: Convert to fraction form
194,862.36/292,306.74 = 68,487.24/x - Step 3: Cross multiply
194,862.36x = 292,306.74 × 68,487.24 - Step 4: Simplify right side
194,862.36x = 20,019,281,856.00 - Step 5: Solve for x
x = 20,019,281,856.00/194,862.36 - Step 6: Final answer
x = 102,735.50
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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.