Finding the Fourth Proportional to 405,626.60, 608,474.43 and 106,106.73
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Solution
The fourth proportional to 405,626.60, 608,474.43 and 106,106.73 is: 159,169.12
Step by Step Solution
- Step 1: Write the proportion equation
405,626.60 : 608,474.43 = 106,106.73 : x - Step 2: Convert to fraction form
405,626.60/608,474.43 = 106,106.73/x - Step 3: Cross multiply
405,626.60x = 608,474.43 × 106,106.73 - Step 4: Simplify right side
405,626.60x = 64,563,229,774.13 - Step 5: Solve for x
x = 64,563,229,774.13/405,626.60 - Step 6: Final answer
x = 159,169.12
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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.