Finding the Fourth Proportional to 436,211.10, 654,316.74 and 136,691.62
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Solution
The fourth proportional to 436,211.10, 654,316.74 and 136,691.62 is: 205,037.46
Step by Step Solution
- Step 1: Write the proportion equation
436,211.10 : 654,316.74 = 136,691.62 : x - Step 2: Convert to fraction form
436,211.10/654,316.74 = 136,691.62/x - Step 3: Cross multiply
436,211.10x = 654,316.74 × 136,691.62 - Step 4: Simplify right side
436,211.10x = 89,439,615,183.72 - Step 5: Solve for x
x = 89,439,615,183.72/436,211.10 - Step 6: Final answer
x = 205,037.46
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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.