Finding the Fourth Proportional to 436,349.76, 654,590.28 and 136,763.70
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Solution
The fourth proportional to 436,349.76, 654,590.28 and 136,763.70 is: 205,166.12
Step by Step Solution
- Step 1: Write the proportion equation
436,349.76 : 654,590.28 = 136,763.70 : x - Step 2: Convert to fraction form
436,349.76/654,590.28 = 136,763.70/x - Step 3: Cross multiply
436,349.76x = 654,590.28 × 136,763.70 - Step 4: Simplify right side
436,349.76x = 89,524,188,676.84 - Step 5: Solve for x
x = 89,524,188,676.84/436,349.76 - Step 6: Final answer
x = 205,166.12
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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.