Finding the Fourth Proportional to 658,194.63, 987,291.94 and 159,558.63
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Solution
The fourth proportional to 658,194.63, 987,291.94 and 159,558.63 is: 239,337.94
Step by Step Solution
- Step 1: Write the proportion equation
658,194.63 : 987,291.94 = 159,558.63 : x - Step 2: Convert to fraction form
658,194.63/987,291.94 = 159,558.63/x - Step 3: Cross multiply
658,194.63x = 987,291.94 × 159,558.63 - Step 4: Simplify right side
658,194.63x = 157,530,949,356.44 - Step 5: Solve for x
x = 157,530,949,356.44/658,194.63 - Step 6: Final answer
x = 239,337.94
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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.