Finding the Fourth Proportional to 438,758.44, 658,137.66 and 106,334.44
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Solution
The fourth proportional to 438,758.44, 658,137.66 and 106,334.44 is: 159,501.66
Step by Step Solution
- Step 1: Write the proportion equation
438,758.44 : 658,137.66 = 106,334.44 : x - Step 2: Convert to fraction form
438,758.44/658,137.66 = 106,334.44/x - Step 3: Cross multiply
438,758.44x = 658,137.66 × 106,334.44 - Step 4: Simplify right side
438,758.44x = 69,982,697,474.91 - Step 5: Solve for x
x = 69,982,697,474.91/438,758.44 - Step 6: Final answer
x = 159,501.66
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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.