Finding the Fourth Proportional to 276,326.10, 381,302.84 and 155,464.79
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Solution
The fourth proportional to 276,326.10, 381,302.84 and 155,464.79 is: 214,526.11
Step by Step Solution
- Step 1: Write the proportion equation
276,326.10 : 381,302.84 = 155,464.79 : x - Step 2: Convert to fraction form
276,326.10/381,302.84 = 155,464.79/x - Step 3: Cross multiply
276,326.10x = 381,302.84 × 155,464.79 - Step 4: Simplify right side
276,326.10x = 59,279,164,429.15 - Step 5: Solve for x
x = 59,279,164,429.15/276,326.10 - Step 6: Final answer
x = 214,526.11
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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.