Finding the Fourth Proportional to 225,520.10, 338,319.23 and 75,774.99
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Solution
The fourth proportional to 225,520.10, 338,319.23 and 75,774.99 is: 113,675.62
Step by Step Solution
- Step 1: Write the proportion equation
225,520.10 : 338,319.23 = 75,774.99 : x - Step 2: Convert to fraction form
225,520.10/338,319.23 = 75,774.99/x - Step 3: Cross multiply
225,520.10x = 338,319.23 × 75,774.99 - Step 4: Simplify right side
225,520.10x = 25,636,136,270.06 - Step 5: Solve for x
x = 25,636,136,270.06/225,520.10 - Step 6: Final answer
x = 113,675.62
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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.