Finding the Fourth Proportional to 302,448.20, 453,672.30 and 207,969.80
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Solution
The fourth proportional to 302,448.20, 453,672.30 and 207,969.80 is: 311,954.70
Step by Step Solution
- Step 1: Write the proportion equation
302,448.20 : 453,672.30 = 207,969.80 : x - Step 2: Convert to fraction form
302,448.20/453,672.30 = 207,969.80/x - Step 3: Cross multiply
302,448.20x = 453,672.30 × 207,969.80 - Step 4: Simplify right side
302,448.20x = 94,350,137,496.54 - Step 5: Solve for x
x = 94,350,137,496.54/302,448.20 - Step 6: Final answer
x = 311,954.70
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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.