Finding the Fourth Proportional to 251,189.24, 346,639.70 and 136,466.98
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Solution
The fourth proportional to 251,189.24, 346,639.70 and 136,466.98 is: 188,323.65
Step by Step Solution
- Step 1: Write the proportion equation
251,189.24 : 346,639.70 = 136,466.98 : x - Step 2: Convert to fraction form
251,189.24/346,639.70 = 136,466.98/x - Step 3: Cross multiply
251,189.24x = 346,639.70 × 136,466.98 - Step 4: Simplify right side
251,189.24x = 47,304,872,481.67 - Step 5: Solve for x
x = 47,304,872,481.67/251,189.24 - Step 6: Final answer
x = 188,323.65
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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.