Finding the Fourth Proportional to 351,316.61, 526,651.99 and 126,622.05
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Solution
The fourth proportional to 351,316.61, 526,651.99 and 126,622.05 is: 189,816.68
Step by Step Solution
- Step 1: Write the proportion equation
351,316.61 : 526,651.99 = 126,622.05 : x - Step 2: Convert to fraction form
351,316.61/526,651.99 = 126,622.05/x - Step 3: Cross multiply
351,316.61x = 526,651.99 × 126,622.05 - Step 4: Simplify right side
351,316.61x = 66,685,752,318.88 - Step 5: Solve for x
x = 66,685,752,318.88/351,316.61 - Step 6: Final answer
x = 189,816.68
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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.