Finding the Fourth Proportional to 340,274.26, 510,349.42 and 100,338.49
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Solution
The fourth proportional to 340,274.26, 510,349.42 and 100,338.49 is: 150,489.46
Step by Step Solution
- Step 1: Write the proportion equation
340,274.26 : 510,349.42 = 100,338.49 : x - Step 2: Convert to fraction form
340,274.26/510,349.42 = 100,338.49/x - Step 3: Cross multiply
340,274.26x = 510,349.42 × 100,338.49 - Step 4: Simplify right side
340,274.26x = 51,207,688,648.46 - Step 5: Solve for x
x = 51,207,688,648.46/340,274.26 - Step 6: Final answer
x = 150,489.46
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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.