Finding the Fourth Proportional to 405,840.74, 608,787.83 and 106,328.66
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Solution
The fourth proportional to 405,840.74, 608,787.83 and 106,328.66 is: 159,499.99
Step by Step Solution
- Step 1: Write the proportion equation
405,840.74 : 608,787.83 = 106,328.66 : x - Step 2: Convert to fraction form
405,840.74/608,787.83 = 106,328.66/x - Step 3: Cross multiply
405,840.74x = 608,787.83 × 106,328.66 - Step 4: Simplify right side
405,840.74x = 64,731,591,410.09 - Step 5: Solve for x
x = 64,731,591,410.09/405,840.74 - Step 6: Final answer
x = 159,499.99
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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.