Finding the Fourth Proportional to 427,289.25, 589,481.00 and 245,957.79
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Solution
The fourth proportional to 427,289.25, 589,481.00 and 245,957.79 is: 339,319.19
Step by Step Solution
- Step 1: Write the proportion equation
427,289.25 : 589,481.00 = 245,957.79 : x - Step 2: Convert to fraction form
427,289.25/589,481.00 = 245,957.79/x - Step 3: Cross multiply
427,289.25x = 589,481.00 × 245,957.79 - Step 4: Simplify right side
427,289.25x = 144,987,442,777.20 - Step 5: Solve for x
x = 144,987,442,777.20/427,289.25 - Step 6: Final answer
x = 339,319.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.