Finding the Fourth Proportional to 276,183.60, 381,089.08 and 155,324.51
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Solution
The fourth proportional to 276,183.60, 381,089.08 and 155,324.51 is: 214,322.92
Step by Step Solution
- Step 1: Write the proportion equation
276,183.60 : 381,089.08 = 155,324.51 : x - Step 2: Convert to fraction form
276,183.60/381,089.08 = 155,324.51/x - Step 3: Cross multiply
276,183.60x = 381,089.08 × 155,324.51 - Step 4: Simplify right side
276,183.60x = 59,192,475,764.23 - Step 5: Solve for x
x = 59,192,475,764.23/276,183.60 - Step 6: Final answer
x = 214,322.92
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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.