Finding the Fourth Proportional to 556,137.05, 834,454.80 and 256,456.99
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Solution
The fourth proportional to 556,137.05, 834,454.80 and 256,456.99 is: 384,800.42
Step by Step Solution
- Step 1: Write the proportion equation
556,137.05 : 834,454.80 = 256,456.99 : x - Step 2: Convert to fraction form
556,137.05/834,454.80 = 256,456.99/x - Step 3: Cross multiply
556,137.05x = 834,454.80 × 256,456.99 - Step 4: Simplify right side
556,137.05x = 214,001,770,410.31 - Step 5: Solve for x
x = 214,001,770,410.31/556,137.05 - Step 6: Final answer
x = 384,800.42
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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.