Finding the Fourth Proportional to 276,690.87, 415,138.37 and 108,291.87
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Solution
The fourth proportional to 276,690.87, 415,138.37 and 108,291.87 is: 162,477.75
Step by Step Solution
- Step 1: Write the proportion equation
276,690.87 : 415,138.37 = 108,291.87 : x - Step 2: Convert to fraction form
276,690.87/415,138.37 = 108,291.87/x - Step 3: Cross multiply
276,690.87x = 415,138.37 × 108,291.87 - Step 4: Simplify right side
276,690.87x = 44,956,109,854.59 - Step 5: Solve for x
x = 44,956,109,854.59/276,690.87 - Step 6: Final answer
x = 162,477.75
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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.