Finding the Fourth Proportional to 503,511.19, 755,266.78 and 171,087.19
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Solution
The fourth proportional to 503,511.19, 755,266.78 and 171,087.19 is: 256,630.78
Step by Step Solution
- Step 1: Write the proportion equation
503,511.19 : 755,266.78 = 171,087.19 : x - Step 2: Convert to fraction form
503,511.19/755,266.78 = 171,087.19/x - Step 3: Cross multiply
503,511.19x = 755,266.78 × 171,087.19 - Step 4: Simplify right side
503,511.19x = 129,216,469,416.24 - Step 5: Solve for x
x = 129,216,469,416.24/503,511.19 - Step 6: Final answer
x = 256,630.78
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Double scale
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Similar ratio
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1.5x scale
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.