Finding the Fourth Proportional to 405,065.64, 607,135.14 and 246,942.84
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Solution
The fourth proportional to 405,065.64, 607,135.14 and 246,942.84 is: 370,131.80
Step by Step Solution
- Step 1: Write the proportion equation
405,065.64 : 607,135.14 = 246,942.84 : x - Step 2: Convert to fraction form
405,065.64/607,135.14 = 246,942.84/x - Step 3: Cross multiply
405,065.64x = 607,135.14 × 246,942.84 - Step 4: Simplify right side
405,065.64x = 149,927,675,735.40 - Step 5: Solve for x
x = 149,927,675,735.40/405,065.64 - Step 6: Final answer
x = 370,131.80
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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.