Finding the Fourth Proportional to 639,214.63, 959,249.99 and 265,237.99
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Solution
The fourth proportional to 639,214.63, 959,249.99 and 265,237.99 is: 398,034.60
Step by Step Solution
- Step 1: Write the proportion equation
639,214.63 : 959,249.99 = 265,237.99 : x - Step 2: Convert to fraction form
639,214.63/959,249.99 = 265,237.99/x - Step 3: Cross multiply
639,214.63x = 959,249.99 × 265,237.99 - Step 4: Simplify right side
639,214.63x = 254,429,539,255.12 - Step 5: Solve for x
x = 254,429,539,255.12/639,214.63 - Step 6: Final answer
x = 398,034.60
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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.