Finding the Fourth Proportional to 103,465.64, 155,068.58 and 44,231.70
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Solution
The fourth proportional to 103,465.64, 155,068.58 and 44,231.70 is: 66,292.03
Step by Step Solution
- Step 1: Write the proportion equation
103,465.64 : 155,068.58 = 44,231.70 : x - Step 2: Convert to fraction form
103,465.64/155,068.58 = 44,231.70/x - Step 3: Cross multiply
103,465.64x = 155,068.58 × 44,231.70 - Step 4: Simplify right side
103,465.64x = 6,858,946,909.99 - Step 5: Solve for x
x = 6,858,946,909.99/103,465.64 - Step 6: Final answer
x = 66,292.03
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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.