Finding the Fourth Proportional to 434,074.59, 651,105.81 and 263,336.99
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Solution
The fourth proportional to 434,074.59, 651,105.81 and 263,336.99 is: 395,001.79
Step by Step Solution
- Step 1: Write the proportion equation
434,074.59 : 651,105.81 = 263,336.99 : x - Step 2: Convert to fraction form
434,074.59/651,105.81 = 263,336.99/x - Step 3: Cross multiply
434,074.59x = 651,105.81 × 263,336.99 - Step 4: Simplify right side
434,074.59x = 171,460,240,921.38 - Step 5: Solve for x
x = 171,460,240,921.38/434,074.59 - Step 6: Final answer
x = 395,001.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.