Finding the Fourth Proportional to 381,282.14, 526,169.84 and 211,516.26
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Solution
The fourth proportional to 381,282.14, 526,169.84 and 211,516.26 is: 291,892.71
Step by Step Solution
- Step 1: Write the proportion equation
381,282.14 : 526,169.84 = 211,516.26 : x - Step 2: Convert to fraction form
381,282.14/526,169.84 = 211,516.26/x - Step 3: Cross multiply
381,282.14x = 526,169.84 × 211,516.26 - Step 4: Simplify right side
381,282.14x = 111,293,475,624.02 - Step 5: Solve for x
x = 111,293,475,624.02/381,282.14 - Step 6: Final answer
x = 291,892.71
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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.