Finding the Fourth Proportional to 103,432.70, 155,149.05 and 44,383.70
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Solution
The fourth proportional to 103,432.70, 155,149.05 and 44,383.70 is: 66,575.55
Step by Step Solution
- Step 1: Write the proportion equation
103,432.70 : 155,149.05 = 44,383.70 : x - Step 2: Convert to fraction form
103,432.70/155,149.05 = 44,383.70/x - Step 3: Cross multiply
103,432.70x = 155,149.05 × 44,383.70 - Step 4: Simplify right side
103,432.70x = 6,886,088,890.49 - Step 5: Solve for x
x = 6,886,088,890.49/103,432.70 - Step 6: Final answer
x = 66,575.55
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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.