Finding the Fourth Proportional to 381,814.14, 526,904.74 and 212,048.26
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Solution
The fourth proportional to 381,814.14, 526,904.74 and 212,048.26 is: 292,627.28
Step by Step Solution
- Step 1: Write the proportion equation
381,814.14 : 526,904.74 = 212,048.26 : x - Step 2: Convert to fraction form
381,814.14/526,904.74 = 212,048.26/x - Step 3: Cross multiply
381,814.14x = 526,904.74 × 212,048.26 - Step 4: Simplify right side
381,814.14x = 111,729,232,772.63 - Step 5: Solve for x
x = 111,729,232,772.63/381,814.14 - Step 6: Final answer
x = 292,627.28
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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.