Finding the Fourth Proportional to 154,798.68, 232,198.28 and 42,480.44
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Solution
The fourth proportional to 154,798.68, 232,198.28 and 42,480.44 is: 63,720.72
Step by Step Solution
- Step 1: Write the proportion equation
154,798.68 : 232,198.28 = 42,480.44 : x - Step 2: Convert to fraction form
154,798.68/232,198.28 = 42,480.44/x - Step 3: Cross multiply
154,798.68x = 232,198.28 × 42,480.44 - Step 4: Simplify right side
154,798.68x = 9,863,883,728.25 - Step 5: Solve for x
x = 9,863,883,728.25/154,798.68 - Step 6: Final answer
x = 63,720.72
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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.