Finding the Fourth Proportional to 153,651.16, 230,169.30 and 122,114.44
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Solution
The fourth proportional to 153,651.16, 230,169.30 and 122,114.44 is: 182,927.32
Step by Step Solution
- Step 1: Write the proportion equation
153,651.16 : 230,169.30 = 122,114.44 : x - Step 2: Convert to fraction form
153,651.16/230,169.30 = 122,114.44/x - Step 3: Cross multiply
153,651.16x = 230,169.30 × 122,114.44 - Step 4: Simplify right side
153,651.16x = 28,106,995,174.69 - Step 5: Solve for x
x = 28,106,995,174.69/153,651.16 - Step 6: Final answer
x = 182,927.32
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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.