Finding the Fourth Proportional to 423,640.53, 635,548.28 and 124,130.88
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Solution
The fourth proportional to 423,640.53, 635,548.28 and 124,130.88 is: 186,221.95
Step by Step Solution
- Step 1: Write the proportion equation
423,640.53 : 635,548.28 = 124,130.88 : x - Step 2: Convert to fraction form
423,640.53/635,548.28 = 124,130.88/x - Step 3: Cross multiply
423,640.53x = 635,548.28 × 124,130.88 - Step 4: Simplify right side
423,640.53x = 78,891,166,658.23 - Step 5: Solve for x
x = 78,891,166,658.23/423,640.53 - Step 6: Final answer
x = 186,221.95
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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.