Finding the Fourth Proportional to 302,418.40, 453,190.20 and 133,800.70
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Solution
The fourth proportional to 302,418.40, 453,190.20 and 133,800.70 is: 200,507.53
Step by Step Solution
- Step 1: Write the proportion equation
302,418.40 : 453,190.20 = 133,800.70 : x - Step 2: Convert to fraction form
302,418.40/453,190.20 = 133,800.70/x - Step 3: Cross multiply
302,418.40x = 453,190.20 × 133,800.70 - Step 4: Simplify right side
302,418.40x = 60,637,165,993.14 - Step 5: Solve for x
x = 60,637,165,993.14/302,418.40 - Step 6: Final answer
x = 200,507.53
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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.