Finding the Fourth Proportional to 536,147.14, 739,895.46 and 306,725.98
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Solution
The fourth proportional to 536,147.14, 739,895.46 and 306,725.98 is: 423,288.95
Step by Step Solution
- Step 1: Write the proportion equation
536,147.14 : 739,895.46 = 306,725.98 : x - Step 2: Convert to fraction form
536,147.14/739,895.46 = 306,725.98/x - Step 3: Cross multiply
536,147.14x = 739,895.46 × 306,725.98 - Step 4: Simplify right side
536,147.14x = 226,945,160,066.05 - Step 5: Solve for x
x = 226,945,160,066.05/536,147.14 - Step 6: Final answer
x = 423,288.95
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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.