Finding the Fourth Proportional to 433,293.68, 649,754.64 and 149,012.84
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Solution
The fourth proportional to 433,293.68, 649,754.64 and 149,012.84 is: 223,455.33
Step by Step Solution
- Step 1: Write the proportion equation
433,293.68 : 649,754.64 = 149,012.84 : x - Step 2: Convert to fraction form
433,293.68/649,754.64 = 149,012.84/x - Step 3: Cross multiply
433,293.68x = 649,754.64 × 149,012.84 - Step 4: Simplify right side
433,293.68x = 96,821,784,209.58 - Step 5: Solve for x
x = 96,821,784,209.58/433,293.68 - Step 6: Final answer
x = 223,455.33
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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.