Finding the Fourth Proportional to 459,485.11, 689,260.56 and 122,523.99
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Solution
The fourth proportional to 459,485.11, 689,260.56 and 122,523.99 is: 183,794.76
Step by Step Solution
- Step 1: Write the proportion equation
459,485.11 : 689,260.56 = 122,523.99 : x - Step 2: Convert to fraction form
459,485.11/689,260.56 = 122,523.99/x - Step 3: Cross multiply
459,485.11x = 689,260.56 × 122,523.99 - Step 4: Simplify right side
459,485.11x = 84,450,953,960.83 - Step 5: Solve for x
x = 84,450,953,960.83/459,485.11 - Step 6: Final answer
x = 183,794.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.