Finding the Fourth Proportional to 224,793.92, 310,211.99 and 122,817.18
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Solution
The fourth proportional to 224,793.92, 310,211.99 and 122,817.18 is: 169,485.73
Step by Step Solution
- Step 1: Write the proportion equation
224,793.92 : 310,211.99 = 122,817.18 : x - Step 2: Convert to fraction form
224,793.92/310,211.99 = 122,817.18/x - Step 3: Cross multiply
224,793.92x = 310,211.99 × 122,817.18 - Step 4: Simplify right side
224,793.92x = 38,099,361,199.90 - Step 5: Solve for x
x = 38,099,361,199.90/224,793.92 - Step 6: Final answer
x = 169,485.73
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1.5x scale
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.