Finding the Fourth Proportional to 224,715.90, 337,122.45 and 74,930.70
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Solution
The fourth proportional to 224,715.90, 337,122.45 and 74,930.70 is: 112,412.26
Step by Step Solution
- Step 1: Write the proportion equation
224,715.90 : 337,122.45 = 74,930.70 : x - Step 2: Convert to fraction form
224,715.90/337,122.45 = 74,930.70/x - Step 3: Cross multiply
224,715.90x = 337,122.45 × 74,930.70 - Step 4: Simplify right side
224,715.90x = 25,260,821,164.22 - Step 5: Solve for x
x = 25,260,821,164.22/224,715.90 - Step 6: Final answer
x = 112,412.26
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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.