Finding the Fourth Proportional to 229,136.20, 343,013.10 and 201,488.20
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Solution
The fourth proportional to 229,136.20, 343,013.10 and 201,488.20 is: 301,624.50
Step by Step Solution
- Step 1: Write the proportion equation
229,136.20 : 343,013.10 = 201,488.20 : x - Step 2: Convert to fraction form
229,136.20/343,013.10 = 201,488.20/x - Step 3: Cross multiply
229,136.20x = 343,013.10 × 201,488.20 - Step 4: Simplify right side
229,136.20x = 69,113,092,095.42 - Step 5: Solve for x
x = 69,113,092,095.42/229,136.20 - Step 6: Final answer
x = 301,624.50
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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.