Finding the Fourth Proportional to 756,658.56, 1,135,153.89 and 224,221.26
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Solution
The fourth proportional to 756,658.56, 1,135,153.89 and 224,221.26 is: 336,381.10
Step by Step Solution
- Step 1: Write the proportion equation
756,658.56 : 1,135,153.89 = 224,221.26 : x - Step 2: Convert to fraction form
756,658.56/1,135,153.89 = 224,221.26/x - Step 3: Cross multiply
756,658.56x = 1,135,153.89 × 224,221.26 - Step 4: Simplify right side
756,658.56x = 254,525,635,509.70 - Step 5: Solve for x
x = 254,525,635,509.70/756,658.56 - Step 6: Final answer
x = 336,381.10
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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.