Finding the Fourth Proportional to 509,674.14, 764,607.60 and 168,137.10
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Solution
The fourth proportional to 509,674.14, 764,607.60 and 168,137.10 is: 252,237.45
Step by Step Solution
- Step 1: Write the proportion equation
509,674.14 : 764,607.60 = 168,137.10 : x - Step 2: Convert to fraction form
509,674.14/764,607.60 = 168,137.10/x - Step 3: Cross multiply
509,674.14x = 764,607.60 × 168,137.10 - Step 4: Simplify right side
509,674.14x = 128,558,904,501.96 - Step 5: Solve for x
x = 128,558,904,501.96/509,674.14 - Step 6: Final answer
x = 252,237.45
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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.