Finding the Fourth Proportional to 251,763.24, 347,442.06 and 137,051.31
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Solution
The fourth proportional to 251,763.24, 347,442.06 and 137,051.31 is: 189,135.59
Step by Step Solution
- Step 1: Write the proportion equation
251,763.24 : 347,442.06 = 137,051.31 : x - Step 2: Convert to fraction form
251,763.24/347,442.06 = 137,051.31/x - Step 3: Cross multiply
251,763.24x = 347,442.06 × 137,051.31 - Step 4: Simplify right side
251,763.24x = 47,617,389,472.10 - Step 5: Solve for x
x = 47,617,389,472.10/251,763.24 - Step 6: Final answer
x = 189,135.59
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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.