Finding the Fourth Proportional to 313,189.26, 432,202.33 and 169,949.30
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Solution
The fourth proportional to 313,189.26, 432,202.33 and 169,949.30 is: 234,530.66
Step by Step Solution
- Step 1: Write the proportion equation
313,189.26 : 432,202.33 = 169,949.30 : x - Step 2: Convert to fraction form
313,189.26/432,202.33 = 169,949.30/x - Step 3: Cross multiply
313,189.26x = 432,202.33 × 169,949.30 - Step 4: Simplify right side
313,189.26x = 73,452,483,441.87 - Step 5: Solve for x
x = 73,452,483,441.87/313,189.26 - Step 6: Final answer
x = 234,530.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.