Finding the Fourth Proportional to 251,450.24, 347,002.07 and 136,728.95
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Solution
The fourth proportional to 251,450.24, 347,002.07 and 136,728.95 is: 188,686.35
Step by Step Solution
- Step 1: Write the proportion equation
251,450.24 : 347,002.07 = 136,728.95 : x - Step 2: Convert to fraction form
251,450.24/347,002.07 = 136,728.95/x - Step 3: Cross multiply
251,450.24x = 347,002.07 × 136,728.95 - Step 4: Simplify right side
251,450.24x = 47,445,226,260.27 - Step 5: Solve for x
x = 47,445,226,260.27/251,450.24 - Step 6: Final answer
x = 188,686.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.