Finding the Fourth Proportional to 405,602.61, 608,357.43 and 106,112.09
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Solution
The fourth proportional to 405,602.61, 608,357.43 and 106,112.09 is: 159,155.97
Step by Step Solution
- Step 1: Write the proportion equation
405,602.61 : 608,357.43 = 106,112.09 : x - Step 2: Convert to fraction form
405,602.61/608,357.43 = 106,112.09/x - Step 3: Cross multiply
405,602.61x = 608,357.43 × 106,112.09 - Step 4: Simplify right side
405,602.61x = 64,554,075,057.26 - Step 5: Solve for x
x = 64,554,075,057.26/405,602.61 - Step 6: Final answer
x = 159,155.97
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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.