Finding the Fourth Proportional to 313,995.75, 433,350.57 and 176,212.59
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Solution
The fourth proportional to 313,995.75, 433,350.57 and 176,212.59 is: 243,193.82
Step by Step Solution
- Step 1: Write the proportion equation
313,995.75 : 433,350.57 = 176,212.59 : x - Step 2: Convert to fraction form
313,995.75/433,350.57 = 176,212.59/x - Step 3: Cross multiply
313,995.75x = 433,350.57 × 176,212.59 - Step 4: Simplify right side
313,995.75x = 76,361,826,317.68 - Step 5: Solve for x
x = 76,361,826,317.68/313,995.75 - Step 6: Final answer
x = 243,193.82
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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.