Finding the Fourth Proportional to 561,685.08, 775,137.42 and 307,059.96
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Solution
The fourth proportional to 561,685.08, 775,137.42 and 307,059.96 is: 423,749.31
Step by Step Solution
- Step 1: Write the proportion equation
561,685.08 : 775,137.42 = 307,059.96 : x - Step 2: Convert to fraction form
561,685.08/775,137.42 = 307,059.96/x - Step 3: Cross multiply
561,685.08x = 775,137.42 × 307,059.96 - Step 4: Simplify right side
561,685.08x = 238,013,665,179.70 - Step 5: Solve for x
x = 238,013,665,179.70/561,685.08 - Step 6: Final answer
x = 423,749.31
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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.