Finding the Fourth Proportional to 229,553.21, 344,316.85 and 71,763.05
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Solution
The fourth proportional to 229,553.21, 344,316.85 and 71,763.05 is: 107,640.52
Step by Step Solution
- Step 1: Write the proportion equation
229,553.21 : 344,316.85 = 71,763.05 : x - Step 2: Convert to fraction form
229,553.21/344,316.85 = 71,763.05/x - Step 3: Cross multiply
229,553.21x = 344,316.85 × 71,763.05 - Step 4: Simplify right side
229,553.21x = 24,709,225,421.40 - Step 5: Solve for x
x = 24,709,225,421.40/229,553.21 - Step 6: Final answer
x = 107,640.52
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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.