Finding the Fourth Proportional to 285,295.05, 428,166.12 and 125,482.05
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Solution
The fourth proportional to 285,295.05, 428,166.12 and 125,482.05 is: 188,321.40
Step by Step Solution
- Step 1: Write the proportion equation
285,295.05 : 428,166.12 = 125,482.05 : x - Step 2: Convert to fraction form
285,295.05/428,166.12 = 125,482.05/x - Step 3: Cross multiply
285,295.05x = 428,166.12 × 125,482.05 - Step 4: Simplify right side
285,295.05x = 53,727,162,478.15 - Step 5: Solve for x
x = 53,727,162,478.15/285,295.05 - Step 6: Final answer
x = 188,321.40
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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.