Finding the Fourth Proportional to 103,698.55, 155,508.94 and 44,503.75
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Solution
The fourth proportional to 103,698.55, 155,508.94 and 44,503.75 is: 66,738.94
Step by Step Solution
- Step 1: Write the proportion equation
103,698.55 : 155,508.94 = 44,503.75 : x - Step 2: Convert to fraction form
103,698.55/155,508.94 = 44,503.75/x - Step 3: Cross multiply
103,698.55x = 155,508.94 × 44,503.75 - Step 4: Simplify right side
103,698.55x = 6,920,730,988.53 - Step 5: Solve for x
x = 6,920,730,988.53/103,698.55 - Step 6: Final answer
x = 66,738.94
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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.