Finding the Fourth Proportional to 313,948.50, 433,238.79 and 177,995.46
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Solution
The fourth proportional to 313,948.50, 433,238.79 and 177,995.46 is: 245,627.99
Step by Step Solution
- Step 1: Write the proportion equation
313,948.50 : 433,238.79 = 177,995.46 : x - Step 2: Convert to fraction form
313,948.50/433,238.79 = 177,995.46/x - Step 3: Cross multiply
313,948.50x = 433,238.79 × 177,995.46 - Step 4: Simplify right side
313,948.50x = 77,114,537,715.89 - Step 5: Solve for x
x = 77,114,537,715.89/313,948.50 - Step 6: Final answer
x = 245,627.99
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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.