Finding the Fourth Proportional to 218,798.44, 328,197.70 and 69,050.38
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Solution
The fourth proportional to 218,798.44, 328,197.70 and 69,050.38 is: 103,575.58
Step by Step Solution
- Step 1: Write the proportion equation
218,798.44 : 328,197.70 = 69,050.38 : x - Step 2: Convert to fraction form
218,798.44/328,197.70 = 69,050.38/x - Step 3: Cross multiply
218,798.44x = 328,197.70 × 69,050.38 - Step 4: Simplify right side
218,798.44x = 22,662,175,900.13 - Step 5: Solve for x
x = 22,662,175,900.13/218,798.44 - Step 6: Final answer
x = 103,575.58
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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.