Finding the Fourth Proportional to 419,739.62, 579,334.17 and 266,747.99
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Solution
The fourth proportional to 419,739.62, 579,334.17 and 266,747.99 is: 368,171.64
Step by Step Solution
- Step 1: Write the proportion equation
419,739.62 : 579,334.17 = 266,747.99 : x - Step 2: Convert to fraction form
419,739.62/579,334.17 = 266,747.99/x - Step 3: Cross multiply
419,739.62x = 579,334.17 × 266,747.99 - Step 4: Simplify right side
419,739.62x = 154,536,223,489.45 - Step 5: Solve for x
x = 154,536,223,489.45/419,739.62 - Step 6: Final answer
x = 368,171.64
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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.