Finding the Fourth Proportional to 229,135.70, 343,012.35 and 201,487.70
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Solution
The fourth proportional to 229,135.70, 343,012.35 and 201,487.70 is: 301,623.75
Step by Step Solution
- Step 1: Write the proportion equation
229,135.70 : 343,012.35 = 201,487.70 : x - Step 2: Convert to fraction form
229,135.70/343,012.35 = 201,487.70/x - Step 3: Cross multiply
229,135.70x = 343,012.35 × 201,487.70 - Step 4: Simplify right side
229,135.70x = 69,112,769,473.10 - Step 5: Solve for x
x = 69,112,769,473.10/229,135.70 - Step 6: Final answer
x = 301,623.75
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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.