Finding the Fourth Proportional to 251,378.87, 346,898.67 and 136,660.35
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Solution
The fourth proportional to 251,378.87, 346,898.67 and 136,660.35 is: 188,589.02
Step by Step Solution
- Step 1: Write the proportion equation
251,378.87 : 346,898.67 = 136,660.35 : x - Step 2: Convert to fraction form
251,378.87/346,898.67 = 136,660.35/x - Step 3: Cross multiply
251,378.87x = 346,898.67 × 136,660.35 - Step 4: Simplify right side
251,378.87x = 47,407,293,656.73 - Step 5: Solve for x
x = 47,407,293,656.73/251,378.87 - Step 6: Final answer
x = 188,589.02
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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.